Home / 21,473,440.29-32,169,519.34-12,693,432.89

Finding the Fourth Proportional to 21,473,440.29, 32,169,519.34 and 12,693,432.89

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Solution

The fourth proportional to 21,473,440.29, 32,169,519.34 and 12,693,432.89 is: 19,016,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473,440.29 : 32,169,519.34 = 12,693,432.89 : x
  2. Step 2: Convert to fraction form
    21,473,440.29/32,169,519.34 = 12,693,432.89/x
  3. Step 3: Cross multiply
    21,473,440.29x = 32,169,519.34 × 12,693,432.89
  4. Step 4: Simplify right side
    21,473,440.29x = 408,341,634,845,847.12
  5. Step 5: Solve for x
    x = 408,341,634,845,847.12/21,473,440.29
  6. Step 6: Final answer
    x = 19,016,125.47

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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.