Home / 28,392,817.70-42,589,226.55-13,248,280.10

Finding the Fourth Proportional to 28,392,817.70, 42,589,226.55 and 13,248,280.10

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Solution

The fourth proportional to 28,392,817.70, 42,589,226.55 and 13,248,280.10 is: 19,872,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,817.70 : 42,589,226.55 = 13,248,280.10 : x
  2. Step 2: Convert to fraction form
    28,392,817.70/42,589,226.55 = 13,248,280.10/x
  3. Step 3: Cross multiply
    28,392,817.70x = 42,589,226.55 × 13,248,280.10
  4. Step 4: Simplify right side
    28,392,817.70x = 564,234,002,576,756.62
  5. Step 5: Solve for x
    x = 564,234,002,576,756.62/28,392,817.70
  6. Step 6: Final answer
    x = 19,872,420.15

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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.