Home / 19,432,991.88-29,129,979.78-6,644,750.76

Finding the Fourth Proportional to 19,432,991.88, 29,129,979.78 and 6,644,750.76

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Solution

The fourth proportional to 19,432,991.88, 29,129,979.78 and 6,644,750.76 is: 9,960,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432,991.88 : 29,129,979.78 = 6,644,750.76 : x
  2. Step 2: Convert to fraction form
    19,432,991.88/29,129,979.78 = 6,644,750.76/x
  3. Step 3: Cross multiply
    19,432,991.88x = 29,129,979.78 × 6,644,750.76
  4. Step 4: Simplify right side
    19,432,991.88x = 193,561,455,281,939.62
  5. Step 5: Solve for x
    x = 193,561,455,281,939.62/19,432,991.88
  6. Step 6: Final answer
    x = 9,960,455.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.