Home / 20,726,681.96-31,116,963.96-15,937,734.20

Finding the Fourth Proportional to 20,726,681.96, 31,116,963.96 and 15,937,734.20

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Solution

The fourth proportional to 20,726,681.96, 31,116,963.96 and 15,937,734.20 is: 23,927,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,681.96 : 31,116,963.96 = 15,937,734.20 : x
  2. Step 2: Convert to fraction form
    20,726,681.96/31,116,963.96 = 15,937,734.20/x
  3. Step 3: Cross multiply
    20,726,681.96x = 31,116,963.96 × 15,937,734.20
  4. Step 4: Simplify right side
    20,726,681.96x = 495,933,900,705,459.44
  5. Step 5: Solve for x
    x = 495,933,900,705,459.44/20,726,681.96
  6. Step 6: Final answer
    x = 23,927,317.54

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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.