Home / 18,784,312.10-28,210,682.55-16,432,849.70

Finding the Fourth Proportional to 18,784,312.10, 28,210,682.55 and 16,432,849.70

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Solution

The fourth proportional to 18,784,312.10, 28,210,682.55 and 16,432,849.70 is: 24,679,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784,312.10 : 28,210,682.55 = 16,432,849.70 : x
  2. Step 2: Convert to fraction form
    18,784,312.10/28,210,682.55 = 16,432,849.70/x
  3. Step 3: Cross multiply
    18,784,312.10x = 28,210,682.55 × 16,432,849.70
  4. Step 4: Simplify right side
    18,784,312.10x = 463,581,906,278,562.75
  5. Step 5: Solve for x
    x = 463,581,906,278,562.75/18,784,312.10
  6. Step 6: Final answer
    x = 24,679,205.91

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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.