Home / 20,236,017.86-27,925,355.90-11,415,488.21

Finding the Fourth Proportional to 20,236,017.86, 27,925,355.90 and 11,415,488.21

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Solution

The fourth proportional to 20,236,017.86, 27,925,355.90 and 11,415,488.21 is: 15,753,177.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236,017.86 : 27,925,355.90 = 11,415,488.21 : x
  2. Step 2: Convert to fraction form
    20,236,017.86/27,925,355.90 = 11,415,488.21/x
  3. Step 3: Cross multiply
    20,236,017.86x = 27,925,355.90 × 11,415,488.21
  4. Step 4: Simplify right side
    20,236,017.86x = 318,781,571,036,503.94
  5. Step 5: Solve for x
    x = 318,781,571,036,503.94/20,236,017.86
  6. Step 6: Final answer
    x = 15,753,177.00

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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.