Home / 13,604,657.13-20,406,859.03-5,515,710.04

Finding the Fourth Proportional to 13,604,657.13, 20,406,859.03 and 5,515,710.04

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Solution

The fourth proportional to 13,604,657.13, 20,406,859.03 and 5,515,710.04 is: 8,273,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,657.13 : 20,406,859.03 = 5,515,710.04 : x
  2. Step 2: Convert to fraction form
    13,604,657.13/20,406,859.03 = 5,515,710.04/x
  3. Step 3: Cross multiply
    13,604,657.13x = 20,406,859.03 × 5,515,710.04
  4. Step 4: Simplify right side
    13,604,657.13x = 112,558,317,154,250.28
  5. Step 5: Solve for x
    x = 112,558,317,154,250.28/13,604,657.13
  6. Step 6: Final answer
    x = 8,273,513.70

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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.