Home / 15,047,859.08-20,766,167.57-8,172,390.35

Finding the Fourth Proportional to 15,047,859.08, 20,766,167.57 and 8,172,390.35

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Solution

The fourth proportional to 15,047,859.08, 20,766,167.57 and 8,172,390.35 is: 11,277,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,047,859.08 : 20,766,167.57 = 8,172,390.35 : x
  2. Step 2: Convert to fraction form
    15,047,859.08/20,766,167.57 = 8,172,390.35/x
  3. Step 3: Cross multiply
    15,047,859.08x = 20,766,167.57 × 8,172,390.35
  4. Step 4: Simplify right side
    15,047,859.08x = 169,709,227,455,550.94
  5. Step 5: Solve for x
    x = 169,709,227,455,550.94/15,047,859.08
  6. Step 6: Final answer
    x = 11,277,964.96

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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.