Home / 13,366,049.92-18,441,987.54-7,564,831.66

Finding the Fourth Proportional to 13,366,049.92, 18,441,987.54 and 7,564,831.66

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Solution

The fourth proportional to 13,366,049.92, 18,441,987.54 and 7,564,831.66 is: 10,437,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,049.92 : 18,441,987.54 = 7,564,831.66 : x
  2. Step 2: Convert to fraction form
    13,366,049.92/18,441,987.54 = 7,564,831.66/x
  3. Step 3: Cross multiply
    13,366,049.92x = 18,441,987.54 × 7,564,831.66
  4. Step 4: Simplify right side
    13,366,049.92x = 139,510,531,215,917.52
  5. Step 5: Solve for x
    x = 139,510,531,215,917.52/13,366,049.92
  6. Step 6: Final answer
    x = 10,437,678.45

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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.