Home / 12,095,710.70-18,143,566.05-9,072,401.90

Finding the Fourth Proportional to 12,095,710.70, 18,143,566.05 and 9,072,401.90

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Solution

The fourth proportional to 12,095,710.70, 18,143,566.05 and 9,072,401.90 is: 13,608,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095,710.70 : 18,143,566.05 = 9,072,401.90 : x
  2. Step 2: Convert to fraction form
    12,095,710.70/18,143,566.05 = 9,072,401.90/x
  3. Step 3: Cross multiply
    12,095,710.70x = 18,143,566.05 × 9,072,401.90
  4. Step 4: Simplify right side
    12,095,710.70x = 164,605,723,104,795.50
  5. Step 5: Solve for x
    x = 164,605,723,104,795.50/12,095,710.70
  6. Step 6: Final answer
    x = 13,608,602.85

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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.