Home / 13,545,441.61-20,320,145.30-6,357,705.61

Finding the Fourth Proportional to 13,545,441.61, 20,320,145.30 and 6,357,705.61

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Solution

The fourth proportional to 13,545,441.61, 20,320,145.30 and 6,357,705.61 is: 9,537,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545,441.61 : 20,320,145.30 = 6,357,705.61 : x
  2. Step 2: Convert to fraction form
    13,545,441.61/20,320,145.30 = 6,357,705.61/x
  3. Step 3: Cross multiply
    13,545,441.61x = 20,320,145.30 × 6,357,705.61
  4. Step 4: Simplify right side
    13,545,441.61x = 129,189,501,738,036.62
  5. Step 5: Solve for x
    x = 129,189,501,738,036.62/13,545,441.61
  6. Step 6: Final answer
    x = 9,537,489.10

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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.