Home / 42,646,034.22-63,968,999.49-13,892,122.86

Finding the Fourth Proportional to 42,646,034.22, 63,968,999.49 and 13,892,122.86

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Solution

The fourth proportional to 42,646,034.22, 63,968,999.49 and 13,892,122.86 is: 20,838,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,646,034.22 : 63,968,999.49 = 13,892,122.86 : x
  2. Step 2: Convert to fraction form
    42,646,034.22/63,968,999.49 = 13,892,122.86/x
  3. Step 3: Cross multiply
    42,646,034.22x = 63,968,999.49 × 13,892,122.86
  4. Step 4: Simplify right side
    42,646,034.22x = 888,665,200,146,357.38
  5. Step 5: Solve for x
    x = 888,665,200,146,357.38/42,646,034.22
  6. Step 6: Final answer
    x = 20,838,167.40

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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.