Home / 19,485,220.80-29,227,831.20-9,388,862.40

Finding the Fourth Proportional to 19,485,220.80, 29,227,831.20 and 9,388,862.40

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Solution

The fourth proportional to 19,485,220.80, 29,227,831.20 and 9,388,862.40 is: 14,083,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485,220.80 : 29,227,831.20 = 9,388,862.40 : x
  2. Step 2: Convert to fraction form
    19,485,220.80/29,227,831.20 = 9,388,862.40/x
  3. Step 3: Cross multiply
    19,485,220.80x = 29,227,831.20 × 9,388,862.40
  4. Step 4: Simplify right side
    19,485,220.80x = 274,416,085,387,226.88
  5. Step 5: Solve for x
    x = 274,416,085,387,226.88/19,485,220.80
  6. Step 6: Final answer
    x = 14,083,293.60

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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.