Home / 20,064,101.58-27,690,167.79-11,363,821.92

Finding the Fourth Proportional to 20,064,101.58, 27,690,167.79 and 11,363,821.92

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Solution

The fourth proportional to 20,064,101.58, 27,690,167.79 and 11,363,821.92 is: 15,683,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064,101.58 : 27,690,167.79 = 11,363,821.92 : x
  2. Step 2: Convert to fraction form
    20,064,101.58/27,690,167.79 = 11,363,821.92/x
  3. Step 3: Cross multiply
    20,064,101.58x = 27,690,167.79 × 11,363,821.92
  4. Step 4: Simplify right side
    20,064,101.58x = 314,666,135,700,479.94
  5. Step 5: Solve for x
    x = 314,666,135,700,479.94/20,064,101.58
  6. Step 6: Final answer
    x = 15,683,041.40

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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.