Home / 22,629,935.42-31,228,387.83-12,840,168.90

Finding the Fourth Proportional to 22,629,935.42, 31,228,387.83 and 12,840,168.90

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Solution

The fourth proportional to 22,629,935.42, 31,228,387.83 and 12,840,168.90 is: 17,718,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,629,935.42 : 31,228,387.83 = 12,840,168.90 : x
  2. Step 2: Convert to fraction form
    22,629,935.42/31,228,387.83 = 12,840,168.90/x
  3. Step 3: Cross multiply
    22,629,935.42x = 31,228,387.83 × 12,840,168.90
  4. Step 4: Simplify right side
    22,629,935.42x = 400,977,774,292,904.38
  5. Step 5: Solve for x
    x = 400,977,774,292,904.38/22,629,935.42
  6. Step 6: Final answer
    x = 17,718,909.35

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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.