Home / 18,892,373.30-28,296,569.55-15,533,141.30

Finding the Fourth Proportional to 18,892,373.30, 28,296,569.55 and 15,533,141.30

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Solution

The fourth proportional to 18,892,373.30, 28,296,569.55 and 15,533,141.30 is: 23,265,187.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892,373.30 : 28,296,569.55 = 15,533,141.30 : x
  2. Step 2: Convert to fraction form
    18,892,373.30/28,296,569.55 = 15,533,141.30/x
  3. Step 3: Cross multiply
    18,892,373.30x = 28,296,569.55 × 15,533,141.30
  4. Step 4: Simplify right side
    18,892,373.30x = 439,534,613,125,427.44
  5. Step 5: Solve for x
    x = 439,534,613,125,427.44/18,892,373.30
  6. Step 6: Final answer
    x = 23,265,187.82

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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.