Home / 26,428,221.12-39,637,607.13-16,815,043.92

Finding the Fourth Proportional to 26,428,221.12, 39,637,607.13 and 16,815,043.92

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Solution

The fourth proportional to 26,428,221.12, 39,637,607.13 and 16,815,043.92 is: 25,219,559.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,428,221.12 : 39,637,607.13 = 16,815,043.92 : x
  2. Step 2: Convert to fraction form
    26,428,221.12/39,637,607.13 = 16,815,043.92/x
  3. Step 3: Cross multiply
    26,428,221.12x = 39,637,607.13 × 16,815,043.92
  4. Step 4: Simplify right side
    26,428,221.12x = 666,508,104,774,655.25
  5. Step 5: Solve for x
    x = 666,508,104,774,655.25/26,428,221.12
  6. Step 6: Final answer
    x = 25,219,559.87

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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.