Home / 20,287,061.90-27,999,016.35-12,554,595.26

Finding the Fourth Proportional to 20,287,061.90, 27,999,016.35 and 12,554,595.26

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Solution

The fourth proportional to 20,287,061.90, 27,999,016.35 and 12,554,595.26 is: 17,327,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,287,061.90 : 27,999,016.35 = 12,554,595.26 : x
  2. Step 2: Convert to fraction form
    20,287,061.90/27,999,016.35 = 12,554,595.26/x
  3. Step 3: Cross multiply
    20,287,061.90x = 27,999,016.35 × 12,554,595.26
  4. Step 4: Simplify right side
    20,287,061.90x = 351,516,317,952,372.50
  5. Step 5: Solve for x
    x = 351,516,317,952,372.50/20,287,061.90
  6. Step 6: Final answer
    x = 17,327,118.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.