Home / 18,784,118.42-28,175,776.50-5,137,264.85

Finding the Fourth Proportional to 18,784,118.42, 28,175,776.50 and 5,137,264.85

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Solution

The fourth proportional to 18,784,118.42, 28,175,776.50 and 5,137,264.85 is: 7,705,787.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784,118.42 : 28,175,776.50 = 5,137,264.85 : x
  2. Step 2: Convert to fraction form
    18,784,118.42/28,175,776.50 = 5,137,264.85/x
  3. Step 3: Cross multiply
    18,784,118.42x = 28,175,776.50 × 5,137,264.85
  4. Step 4: Simplify right side
    18,784,118.42x = 144,746,426,234,906
  5. Step 5: Solve for x
    x = 144,746,426,234,906/18,784,118.42
  6. Step 6: Final answer
    x = 7,705,787.57

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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.