Home / 23,678,689-32,676,590.82-12,813,673

Finding the Fourth Proportional to 23,678,689, 32,676,590.82 and 12,813,673

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Solution

The fourth proportional to 23,678,689, 32,676,590.82 and 12,813,673 is: 17,682,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,678,689 : 32,676,590.82 = 12,813,673 : x
  2. Step 2: Convert to fraction form
    23,678,689/32,676,590.82 = 12,813,673/x
  3. Step 3: Cross multiply
    23,678,689x = 32,676,590.82 × 12,813,673
  4. Step 4: Simplify right side
    23,678,689x = 418,707,149,522,281.88
  5. Step 5: Solve for x
    x = 418,707,149,522,281.88/23,678,689
  6. Step 6: Final answer
    x = 17,682,868.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.