Home / 28,251,467.40-42,377,589.90-8,056,711.56

Finding the Fourth Proportional to 28,251,467.40, 42,377,589.90 and 8,056,711.56

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Solution

The fourth proportional to 28,251,467.40, 42,377,589.90 and 8,056,711.56 is: 12,085,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251,467.40 : 42,377,589.90 = 8,056,711.56 : x
  2. Step 2: Convert to fraction form
    28,251,467.40/42,377,589.90 = 8,056,711.56/x
  3. Step 3: Cross multiply
    28,251,467.40x = 42,377,589.90 × 8,056,711.56
  4. Step 4: Simplify right side
    28,251,467.40x = 341,424,018,432,269.19
  5. Step 5: Solve for x
    x = 341,424,018,432,269.19/28,251,467.40
  6. Step 6: Final answer
    x = 12,085,178.22

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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.