Home / 8,432,554.71-12,653,871.29-7,746,497.61

Finding the Fourth Proportional to 8,432,554.71, 12,653,871.29 and 7,746,497.61

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Solution

The fourth proportional to 8,432,554.71, 12,653,871.29 and 7,746,497.61 is: 11,624,375.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432,554.71 : 12,653,871.29 = 7,746,497.61 : x
  2. Step 2: Convert to fraction form
    8,432,554.71/12,653,871.29 = 7,746,497.61/x
  3. Step 3: Cross multiply
    8,432,554.71x = 12,653,871.29 × 7,746,497.61
  4. Step 4: Simplify right side
    8,432,554.71x = 98,023,183,666,500.14
  5. Step 5: Solve for x
    x = 98,023,183,666,500.14/8,432,554.71
  6. Step 6: Final answer
    x = 11,624,375.65

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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.