Home / 21,984,438.40-32,976,657.60-9,219,356.80

Finding the Fourth Proportional to 21,984,438.40, 32,976,657.60 and 9,219,356.80

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Solution

The fourth proportional to 21,984,438.40, 32,976,657.60 and 9,219,356.80 is: 13,829,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984,438.40 : 32,976,657.60 = 9,219,356.80 : x
  2. Step 2: Convert to fraction form
    21,984,438.40/32,976,657.60 = 9,219,356.80/x
  3. Step 3: Cross multiply
    21,984,438.40x = 32,976,657.60 × 9,219,356.80
  4. Step 4: Simplify right side
    21,984,438.40x = 304,023,572,485,831.69
  5. Step 5: Solve for x
    x = 304,023,572,485,831.69/21,984,438.40
  6. Step 6: Final answer
    x = 13,829,035.20

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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.