Home / 28,078,922.16-38,746,507.68-16,158,121.92

Finding the Fourth Proportional to 28,078,922.16, 38,746,507.68 and 16,158,121.92

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Solution

The fourth proportional to 28,078,922.16, 38,746,507.68 and 16,158,121.92 is: 22,296,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,078,922.16 : 38,746,507.68 = 16,158,121.92 : x
  2. Step 2: Convert to fraction form
    28,078,922.16/38,746,507.68 = 16,158,121.92/x
  3. Step 3: Cross multiply
    28,078,922.16x = 38,746,507.68 × 16,158,121.92
  4. Step 4: Simplify right side
    28,078,922.16x = 626,070,795,067,656.38
  5. Step 5: Solve for x
    x = 626,070,795,067,656.38/28,078,922.16
  6. Step 6: Final answer
    x = 22,296,824.34

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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.