Home / 21,759,672.40-32,647,543.80-8,981,285.20

Finding the Fourth Proportional to 21,759,672.40, 32,647,543.80 and 8,981,285.20

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Solution

The fourth proportional to 21,759,672.40, 32,647,543.80 and 8,981,285.20 is: 13,475,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,759,672.40 : 32,647,543.80 = 8,981,285.20 : x
  2. Step 2: Convert to fraction form
    21,759,672.40/32,647,543.80 = 8,981,285.20/x
  3. Step 3: Cross multiply
    21,759,672.40x = 32,647,543.80 × 8,981,285.20
  4. Step 4: Simplify right side
    21,759,672.40x = 293,216,901,947,291.75
  5. Step 5: Solve for x
    x = 293,216,901,947,291.75/21,759,672.40
  6. Step 6: Final answer
    x = 13,475,244.32

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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.