Home / 10,522,280.70-15,783,421.05-10,207,352.70

Finding the Fourth Proportional to 10,522,280.70, 15,783,421.05 and 10,207,352.70

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Solution

The fourth proportional to 10,522,280.70, 15,783,421.05 and 10,207,352.70 is: 15,311,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522,280.70 : 15,783,421.05 = 10,207,352.70 : x
  2. Step 2: Convert to fraction form
    10,522,280.70/15,783,421.05 = 10,207,352.70/x
  3. Step 3: Cross multiply
    10,522,280.70x = 15,783,421.05 × 10,207,352.70
  4. Step 4: Simplify right side
    10,522,280.70x = 161,106,945,469,954.34
  5. Step 5: Solve for x
    x = 161,106,945,469,954.34/10,522,280.70
  6. Step 6: Final answer
    x = 15,311,029.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.