Home / 8,509,578.79-12,697,998.39-7,592,456.71

Finding the Fourth Proportional to 8,509,578.79, 12,697,998.39 and 7,592,456.71

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Solution

The fourth proportional to 8,509,578.79, 12,697,998.39 and 7,592,456.71 is: 11,329,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509,578.79 : 12,697,998.39 = 7,592,456.71 : x
  2. Step 2: Convert to fraction form
    8,509,578.79/12,697,998.39 = 7,592,456.71/x
  3. Step 3: Cross multiply
    8,509,578.79x = 12,697,998.39 × 7,592,456.71
  4. Step 4: Simplify right side
    8,509,578.79x = 96,409,003,079,724.70
  5. Step 5: Solve for x
    x = 96,409,003,079,724.70/8,509,578.79
  6. Step 6: Final answer
    x = 11,329,468.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.