Home / 31,005,517.13-42,791,687.99-17,779,869.73

Finding the Fourth Proportional to 31,005,517.13, 42,791,687.99 and 17,779,869.73

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Solution

The fourth proportional to 31,005,517.13, 42,791,687.99 and 17,779,869.73 is: 24,538,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,005,517.13 : 42,791,687.99 = 17,779,869.73 : x
  2. Step 2: Convert to fraction form
    31,005,517.13/42,791,687.99 = 17,779,869.73/x
  3. Step 3: Cross multiply
    31,005,517.13x = 42,791,687.99 × 17,779,869.73
  4. Step 4: Simplify right side
    31,005,517.13x = 760,830,637,989,005.62
  5. Step 5: Solve for x
    x = 760,830,637,989,005.62/31,005,517.13
  6. Step 6: Final answer
    x = 24,538,556.63

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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.