Home / 13,030,159.14-17,981,612.67-7,149,831.94

Finding the Fourth Proportional to 13,030,159.14, 17,981,612.67 and 7,149,831.94

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Solution

The fourth proportional to 13,030,159.14, 17,981,612.67 and 7,149,831.94 is: 9,866,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030,159.14 : 17,981,612.67 = 7,149,831.94 : x
  2. Step 2: Convert to fraction form
    13,030,159.14/17,981,612.67 = 7,149,831.94/x
  3. Step 3: Cross multiply
    13,030,159.14x = 17,981,612.67 × 7,149,831.94
  4. Step 4: Simplify right side
    13,030,159.14x = 128,565,508,635,033.30
  5. Step 5: Solve for x
    x = 128,565,508,635,033.30/13,030,159.14
  6. Step 6: Final answer
    x = 9,866,764.27

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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.