Home / 15,149,071.04-20,905,851.65-8,623,120.64

Finding the Fourth Proportional to 15,149,071.04, 20,905,851.65 and 8,623,120.64

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Solution

The fourth proportional to 15,149,071.04, 20,905,851.65 and 8,623,120.64 is: 11,899,982.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149,071.04 : 20,905,851.65 = 8,623,120.64 : x
  2. Step 2: Convert to fraction form
    15,149,071.04/20,905,851.65 = 8,623,120.64/x
  3. Step 3: Cross multiply
    15,149,071.04x = 20,905,851.65 × 8,623,120.64
  4. Step 4: Simplify right side
    15,149,071.04x = 180,273,680,712,248.19
  5. Step 5: Solve for x
    x = 180,273,680,712,248.19/15,149,071.04
  6. Step 6: Final answer
    x = 11,899,982.53

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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.