Home / 21,581,221.20-32,371,831.80-16,542,373.20

Finding the Fourth Proportional to 21,581,221.20, 32,371,831.80 and 16,542,373.20

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Solution

The fourth proportional to 21,581,221.20, 32,371,831.80 and 16,542,373.20 is: 24,813,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,221.20 : 32,371,831.80 = 16,542,373.20 : x
  2. Step 2: Convert to fraction form
    21,581,221.20/32,371,831.80 = 16,542,373.20/x
  3. Step 3: Cross multiply
    21,581,221.20x = 32,371,831.80 × 16,542,373.20
  4. Step 4: Simplify right side
    21,581,221.20x = 535,506,922,803,227.75
  5. Step 5: Solve for x
    x = 535,506,922,803,227.75/21,581,221.20
  6. Step 6: Final answer
    x = 24,813,559.80

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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.