Home / 9,107,042.20-12,569,273.08-5,436,148.12

Finding the Fourth Proportional to 9,107,042.20, 12,569,273.08 and 5,436,148.12

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Solution

The fourth proportional to 9,107,042.20, 12,569,273.08 and 5,436,148.12 is: 7,502,812.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107,042.20 : 12,569,273.08 = 5,436,148.12 : x
  2. Step 2: Convert to fraction form
    9,107,042.20/12,569,273.08 = 5,436,148.12/x
  3. Step 3: Cross multiply
    9,107,042.20x = 12,569,273.08 × 5,436,148.12
  4. Step 4: Simplify right side
    9,107,042.20x = 68,328,430,178,595.05
  5. Step 5: Solve for x
    x = 68,328,430,178,595.05/9,107,042.20
  6. Step 6: Final answer
    x = 7,502,812.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.