Home / 15,581,831.27-21,502,552.07-8,517,107.48

Finding the Fourth Proportional to 15,581,831.27, 21,502,552.07 and 8,517,107.48

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Solution

The fourth proportional to 15,581,831.27, 21,502,552.07 and 8,517,107.48 is: 11,753,403.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581,831.27 : 21,502,552.07 = 8,517,107.48 : x
  2. Step 2: Convert to fraction form
    15,581,831.27/21,502,552.07 = 8,517,107.48/x
  3. Step 3: Cross multiply
    15,581,831.27x = 21,502,552.07 × 8,517,107.48
  4. Step 4: Simplify right side
    15,581,831.27x = 183,139,547,149,535.66
  5. Step 5: Solve for x
    x = 183,139,547,149,535.66/15,581,831.27
  6. Step 6: Final answer
    x = 11,753,403.31

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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.