Home / 18,388,750.16-25,376,474.92-10,658,276.40

Finding the Fourth Proportional to 18,388,750.16, 25,376,474.92 and 10,658,276.40

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Solution

The fourth proportional to 18,388,750.16, 25,376,474.92 and 10,658,276.40 is: 14,708,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,750.16 : 25,376,474.92 = 10,658,276.40 : x
  2. Step 2: Convert to fraction form
    18,388,750.16/25,376,474.92 = 10,658,276.40/x
  3. Step 3: Cross multiply
    18,388,750.16x = 25,376,474.92 × 10,658,276.40
  4. Step 4: Simplify right side
    18,388,750.16x = 270,469,483,755,027.91
  5. Step 5: Solve for x
    x = 270,469,483,755,027.91/18,388,750.16
  6. Step 6: Final answer
    x = 14,708,421.26

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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.