Home / 13,602,855.13-20,406,972.98-3,887,555.29

Finding the Fourth Proportional to 13,602,855.13, 20,406,972.98 and 3,887,555.29

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Solution

The fourth proportional to 13,602,855.13, 20,406,972.98 and 3,887,555.29 is: 5,832,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,602,855.13 : 20,406,972.98 = 3,887,555.29 : x
  2. Step 2: Convert to fraction form
    13,602,855.13/20,406,972.98 = 3,887,555.29/x
  3. Step 3: Cross multiply
    13,602,855.13x = 20,406,972.98 × 3,887,555.29
  4. Step 4: Simplify right side
    13,602,855.13x = 79,333,235,741,848.30
  5. Step 5: Solve for x
    x = 79,333,235,741,848.30/13,602,855.13
  6. Step 6: Final answer
    x = 5,832,101.79

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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.