Home / 12,662,338.16-17,474,913.40-7,156,221.84

Finding the Fourth Proportional to 12,662,338.16, 17,474,913.40 and 7,156,221.84

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Solution

The fourth proportional to 12,662,338.16, 17,474,913.40 and 7,156,221.84 is: 9,876,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662,338.16 : 17,474,913.40 = 7,156,221.84 : x
  2. Step 2: Convert to fraction form
    12,662,338.16/17,474,913.40 = 7,156,221.84/x
  3. Step 3: Cross multiply
    12,662,338.16x = 17,474,913.40 × 7,156,221.84
  4. Step 4: Simplify right side
    12,662,338.16x = 125,054,356,925,188.64
  5. Step 5: Solve for x
    x = 125,054,356,925,188.64/12,662,338.16
  6. Step 6: Final answer
    x = 9,876,087.29

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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.