Home / 12,797,491.95-19,209,520.31-7,416,655.47

Finding the Fourth Proportional to 12,797,491.95, 19,209,520.31 and 7,416,655.47

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Solution

The fourth proportional to 12,797,491.95, 19,209,520.31 and 7,416,655.47 is: 11,132,680.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797,491.95 : 19,209,520.31 = 7,416,655.47 : x
  2. Step 2: Convert to fraction form
    12,797,491.95/19,209,520.31 = 7,416,655.47/x
  3. Step 3: Cross multiply
    12,797,491.95x = 19,209,520.31 × 7,416,655.47
  4. Step 4: Simplify right side
    12,797,491.95x = 142,470,393,846,154.31
  5. Step 5: Solve for x
    x = 142,470,393,846,154.31/12,797,491.95
  6. Step 6: Final answer
    x = 11,132,680.87

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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.