Home / 42,646,043.22-63,969,012.96-13,892,131.86

Finding the Fourth Proportional to 42,646,043.22, 63,969,012.96 and 13,892,131.86

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Solution

The fourth proportional to 42,646,043.22, 63,969,012.96 and 13,892,131.86 is: 20,838,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,646,043.22 : 63,969,012.96 = 13,892,131.86 : x
  2. Step 2: Convert to fraction form
    42,646,043.22/63,969,012.96 = 13,892,131.86/x
  3. Step 3: Cross multiply
    42,646,043.22x = 63,969,012.96 × 13,892,131.86
  4. Step 4: Simplify right side
    42,646,043.22x = 888,665,962,994,368.88
  5. Step 5: Solve for x
    x = 888,665,962,994,368.88/42,646,043.22
  6. Step 6: Final answer
    x = 20,838,180.89

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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.