Home / 21,473,407.55-32,169,470.56-12,693,400.19

Finding the Fourth Proportional to 21,473,407.55, 32,169,470.56 and 12,693,400.19

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Solution

The fourth proportional to 21,473,407.55, 32,169,470.56 and 12,693,400.19 is: 19,016,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473,407.55 : 32,169,470.56 = 12,693,400.19 : x
  2. Step 2: Convert to fraction form
    21,473,407.55/32,169,470.56 = 12,693,400.19/x
  3. Step 3: Cross multiply
    21,473,407.55x = 32,169,470.56 × 12,693,400.19
  4. Step 4: Simplify right side
    21,473,407.55x = 408,339,963,827,511.38
  5. Step 5: Solve for x
    x = 408,339,963,827,511.38/21,473,407.55
  6. Step 6: Final answer
    x = 19,016,076.65

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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.