Home / 10,131,585.08-13,981,420.48-5,485,332.96

Finding the Fourth Proportional to 10,131,585.08, 13,981,420.48 and 5,485,332.96

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Solution

The fourth proportional to 10,131,585.08, 13,981,420.48 and 5,485,332.96 is: 7,569,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131,585.08 : 13,981,420.48 = 5,485,332.96 : x
  2. Step 2: Convert to fraction form
    10,131,585.08/13,981,420.48 = 5,485,332.96/x
  3. Step 3: Cross multiply
    10,131,585.08x = 13,981,420.48 × 5,485,332.96
  4. Step 4: Simplify right side
    10,131,585.08x = 76,692,746,586,563.02
  5. Step 5: Solve for x
    x = 76,692,746,586,563.02/10,131,585.08
  6. Step 6: Final answer
    x = 7,569,669.11

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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.