Home / 12,861,804.20-17,748,637.98-7,635,035.78

Finding the Fourth Proportional to 12,861,804.20, 17,748,637.98 and 7,635,035.78

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Solution

The fourth proportional to 12,861,804.20, 17,748,637.98 and 7,635,035.78 is: 10,535,962.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,804.20 : 17,748,637.98 = 7,635,035.78 : x
  2. Step 2: Convert to fraction form
    12,861,804.20/17,748,637.98 = 7,635,035.78/x
  3. Step 3: Cross multiply
    12,861,804.20x = 17,748,637.98 × 7,635,035.78
  4. Step 4: Simplify right side
    12,861,804.20x = 135,511,486,023,566.94
  5. Step 5: Solve for x
    x = 135,511,486,023,566.94/12,861,804.20
  6. Step 6: Final answer
    x = 10,535,962.44

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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.