Home / 12,357,546.30-18,557,314.65-9,166,275.90

Finding the Fourth Proportional to 12,357,546.30, 18,557,314.65 and 9,166,275.90

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Solution

The fourth proportional to 12,357,546.30, 18,557,314.65 and 9,166,275.90 is: 13,764,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357,546.30 : 18,557,314.65 = 9,166,275.90 : x
  2. Step 2: Convert to fraction form
    12,357,546.30/18,557,314.65 = 9,166,275.90/x
  3. Step 3: Cross multiply
    12,357,546.30x = 18,557,314.65 × 9,166,275.90
  4. Step 4: Simplify right side
    12,357,546.30x = 170,101,466,045,011.94
  5. Step 5: Solve for x
    x = 170,101,466,045,011.94/12,357,546.30
  6. Step 6: Final answer
    x = 13,764,987.15

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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.