Home / 15,288,276.92-21,098,695.16-8,762,993.88

Finding the Fourth Proportional to 15,288,276.92, 21,098,695.16 and 8,762,993.88

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Solution

The fourth proportional to 15,288,276.92, 21,098,695.16 and 8,762,993.88 is: 12,093,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288,276.92 : 21,098,695.16 = 8,762,993.88 : x
  2. Step 2: Convert to fraction form
    15,288,276.92/21,098,695.16 = 8,762,993.88/x
  3. Step 3: Cross multiply
    15,288,276.92x = 21,098,695.16 × 8,762,993.88
  4. Step 4: Simplify right side
    15,288,276.92x = 184,887,736,563,065.62
  5. Step 5: Solve for x
    x = 184,887,736,563,065.62/15,288,276.92
  6. Step 6: Final answer
    x = 12,093,431.95

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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.