Home / 13,545,445.11-20,320,150.55-6,357,709.11

Finding the Fourth Proportional to 13,545,445.11, 20,320,150.55 and 6,357,709.11

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Solution

The fourth proportional to 13,545,445.11, 20,320,150.55 and 6,357,709.11 is: 9,537,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545,445.11 : 20,320,150.55 = 6,357,709.11 : x
  2. Step 2: Convert to fraction form
    13,545,445.11/20,320,150.55 = 6,357,709.11/x
  3. Step 3: Cross multiply
    13,545,445.11x = 20,320,150.55 × 6,357,709.11
  4. Step 4: Simplify right side
    13,545,445.11x = 129,189,606,268,306.52
  5. Step 5: Solve for x
    x = 129,189,606,268,306.52/13,545,445.11
  6. Step 6: Final answer
    x = 9,537,494.35

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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.