Home / 21,870,061.60-32,805,092.40-13,367,005.60

Finding the Fourth Proportional to 21,870,061.60, 32,805,092.40 and 13,367,005.60

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Solution

The fourth proportional to 21,870,061.60, 32,805,092.40 and 13,367,005.60 is: 20,050,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,061.60 : 32,805,092.40 = 13,367,005.60 : x
  2. Step 2: Convert to fraction form
    21,870,061.60/32,805,092.40 = 13,367,005.60/x
  3. Step 3: Cross multiply
    21,870,061.60x = 32,805,092.40 × 13,367,005.60
  4. Step 4: Simplify right side
    21,870,061.60x = 438,505,853,819,317.44
  5. Step 5: Solve for x
    x = 438,505,853,819,317.44/21,870,061.60
  6. Step 6: Final answer
    x = 20,050,508.40

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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.