Home / 13,604,658.26-20,406,860.72-5,515,711.17

Finding the Fourth Proportional to 13,604,658.26, 20,406,860.72 and 5,515,711.17

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Solution

The fourth proportional to 13,604,658.26, 20,406,860.72 and 5,515,711.17 is: 8,273,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,658.26 : 20,406,860.72 = 5,515,711.17 : x
  2. Step 2: Convert to fraction form
    13,604,658.26/20,406,860.72 = 5,515,711.17/x
  3. Step 3: Cross multiply
    13,604,658.26x = 20,406,860.72 × 5,515,711.17
  4. Step 4: Simplify right side
    13,604,658.26x = 112,558,349,534,517.88
  5. Step 5: Solve for x
    x = 112,558,349,534,517.88/13,604,658.26
  6. Step 6: Final answer
    x = 8,273,515.40

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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.