Home / 21,984,458.40-32,976,687.60-9,219,376.80

Finding the Fourth Proportional to 21,984,458.40, 32,976,687.60 and 9,219,376.80

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Solution

The fourth proportional to 21,984,458.40, 32,976,687.60 and 9,219,376.80 is: 13,829,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984,458.40 : 32,976,687.60 = 9,219,376.80 : x
  2. Step 2: Convert to fraction form
    21,984,458.40/32,976,687.60 = 9,219,376.80/x
  3. Step 3: Cross multiply
    21,984,458.40x = 32,976,687.60 × 9,219,376.80
  4. Step 4: Simplify right side
    21,984,458.40x = 304,024,508,600,287.69
  5. Step 5: Solve for x
    x = 304,024,508,600,287.69/21,984,458.40
  6. Step 6: Final answer
    x = 13,829,065.20

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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.