Home / 20,726,680.96-31,116,962.46-15,937,733.20

Finding the Fourth Proportional to 20,726,680.96, 31,116,962.46 and 15,937,733.20

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Solution

The fourth proportional to 20,726,680.96, 31,116,962.46 and 15,937,733.20 is: 23,927,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,680.96 : 31,116,962.46 = 15,937,733.20 : x
  2. Step 2: Convert to fraction form
    20,726,680.96/31,116,962.46 = 15,937,733.20/x
  3. Step 3: Cross multiply
    20,726,680.96x = 31,116,962.46 × 15,937,733.20
  4. Step 4: Simplify right side
    20,726,680.96x = 495,933,845,681,895.69
  5. Step 5: Solve for x
    x = 495,933,845,681,895.69/20,726,680.96
  6. Step 6: Final answer
    x = 23,927,316.03

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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.