Home / 19,932,972.40-29,899,458.60-6,469,800.40

Finding the Fourth Proportional to 19,932,972.40, 29,899,458.60 and 6,469,800.40

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Solution

The fourth proportional to 19,932,972.40, 29,899,458.60 and 6,469,800.40 is: 9,704,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932,972.40 : 29,899,458.60 = 6,469,800.40 : x
  2. Step 2: Convert to fraction form
    19,932,972.40/29,899,458.60 = 6,469,800.40/x
  3. Step 3: Cross multiply
    19,932,972.40x = 29,899,458.60 × 6,469,800.40
  4. Step 4: Simplify right side
    19,932,972.40x = 193,443,529,210,063.47
  5. Step 5: Solve for x
    x = 193,443,529,210,063.47/19,932,972.40
  6. Step 6: Final answer
    x = 9,704,700.60

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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.