Home / 19,020,371.66-28,512,807.96-7,505,934.92

Finding the Fourth Proportional to 19,020,371.66, 28,512,807.96 and 7,505,934.92

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Solution

The fourth proportional to 19,020,371.66, 28,512,807.96 and 7,505,934.92 is: 11,251,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020,371.66 : 28,512,807.96 = 7,505,934.92 : x
  2. Step 2: Convert to fraction form
    19,020,371.66/28,512,807.96 = 7,505,934.92/x
  3. Step 3: Cross multiply
    19,020,371.66x = 28,512,807.96 × 7,505,934.92
  4. Step 4: Simplify right side
    19,020,371.66x = 214,015,280,934,217.97
  5. Step 5: Solve for x
    x = 214,015,280,934,217.97/19,020,371.66
  6. Step 6: Final answer
    x = 11,251,897.95

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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.