Home / 19,430,200.80-29,145,301.20-13,756,831.20

Finding the Fourth Proportional to 19,430,200.80, 29,145,301.20 and 13,756,831.20

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Solution

The fourth proportional to 19,430,200.80, 29,145,301.20 and 13,756,831.20 is: 20,635,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430,200.80 : 29,145,301.20 = 13,756,831.20 : x
  2. Step 2: Convert to fraction form
    19,430,200.80/29,145,301.20 = 13,756,831.20/x
  3. Step 3: Cross multiply
    19,430,200.80x = 29,145,301.20 × 13,756,831.20
  4. Step 4: Simplify right side
    19,430,200.80x = 400,946,988,881,557.44
  5. Step 5: Solve for x
    x = 400,946,988,881,557.44/19,430,200.80
  6. Step 6: Final answer
    x = 20,635,246.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.