Home / 12,240,895.30-18,362,034.15-3,721,509.70

Finding the Fourth Proportional to 12,240,895.30, 18,362,034.15 and 3,721,509.70

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Solution

The fourth proportional to 12,240,895.30, 18,362,034.15 and 3,721,509.70 is: 5,582,474.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240,895.30 : 18,362,034.15 = 3,721,509.70 : x
  2. Step 2: Convert to fraction form
    12,240,895.30/18,362,034.15 = 3,721,509.70/x
  3. Step 3: Cross multiply
    12,240,895.30x = 18,362,034.15 × 3,721,509.70
  4. Step 4: Simplify right side
    12,240,895.30x = 68,334,488,200,956.25
  5. Step 5: Solve for x
    x = 68,334,488,200,956.25/12,240,895.30
  6. Step 6: Final answer
    x = 5,582,474.69

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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.