Home / 9,235,355.06-12,744,807.28-5,160,974.06

Finding the Fourth Proportional to 9,235,355.06, 12,744,807.28 and 5,160,974.06

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Solution

The fourth proportional to 9,235,355.06, 12,744,807.28 and 5,160,974.06 is: 7,122,153.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235,355.06 : 12,744,807.28 = 5,160,974.06 : x
  2. Step 2: Convert to fraction form
    9,235,355.06/12,744,807.28 = 5,160,974.06/x
  3. Step 3: Cross multiply
    9,235,355.06x = 12,744,807.28 × 5,160,974.06
  4. Step 4: Simplify right side
    9,235,355.06x = 65,775,619,771,779.15
  5. Step 5: Solve for x
    x = 65,775,619,771,779.15/9,235,355.06
  6. Step 6: Final answer
    x = 7,122,153.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.