Home / 21,809,059.20-32,708,923.20-9,678,499.20

Finding the Fourth Proportional to 21,809,059.20, 32,708,923.20 and 9,678,499.20

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Solution

The fourth proportional to 21,809,059.20, 32,708,923.20 and 9,678,499.20 is: 14,515,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,809,059.20 : 32,708,923.20 = 9,678,499.20 : x
  2. Step 2: Convert to fraction form
    21,809,059.20/32,708,923.20 = 9,678,499.20/x
  3. Step 3: Cross multiply
    21,809,059.20x = 32,708,923.20 × 9,678,499.20
  4. Step 4: Simplify right side
    21,809,059.20x = 316,573,287,024,061.44
  5. Step 5: Solve for x
    x = 316,573,287,024,061.44/21,809,059.20
  6. Step 6: Final answer
    x = 14,515,678.28

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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.