Home / 28,522,022.70-42,783,034.05-11,473,920.30

Finding the Fourth Proportional to 28,522,022.70, 42,783,034.05 and 11,473,920.30

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Solution

The fourth proportional to 28,522,022.70, 42,783,034.05 and 11,473,920.30 is: 17,210,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522,022.70 : 42,783,034.05 = 11,473,920.30 : x
  2. Step 2: Convert to fraction form
    28,522,022.70/42,783,034.05 = 11,473,920.30/x
  3. Step 3: Cross multiply
    28,522,022.70x = 42,783,034.05 × 11,473,920.30
  4. Step 4: Simplify right side
    28,522,022.70x = 490,889,122,881,886.19
  5. Step 5: Solve for x
    x = 490,889,122,881,886.19/28,522,022.70
  6. Step 6: Final answer
    x = 17,210,880.45

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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.