Home / 52,420,831.20-78,631,246.80-14,086,220.40

Finding the Fourth Proportional to 52,420,831.20, 78,631,246.80 and 14,086,220.40

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Solution

The fourth proportional to 52,420,831.20, 78,631,246.80 and 14,086,220.40 is: 21,129,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,420,831.20 : 78,631,246.80 = 14,086,220.40 : x
  2. Step 2: Convert to fraction form
    52,420,831.20/78,631,246.80 = 14,086,220.40/x
  3. Step 3: Cross multiply
    52,420,831.20x = 78,631,246.80 × 14,086,220.40
  4. Step 4: Simplify right side
    52,420,831.20x = 1,107,617,072,751,594.75
  5. Step 5: Solve for x
    x = 1,107,617,072,751,594.75/52,420,831.20
  6. Step 6: Final answer
    x = 21,129,330.60

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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.