Home / 28,352,155.80-42,528,234.30-8,157,397.80

Finding the Fourth Proportional to 28,352,155.80, 42,528,234.30 and 8,157,397.80

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Solution

The fourth proportional to 28,352,155.80, 42,528,234.30 and 8,157,397.80 is: 12,236,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352,155.80 : 42,528,234.30 = 8,157,397.80 : x
  2. Step 2: Convert to fraction form
    28,352,155.80/42,528,234.30 = 8,157,397.80/x
  3. Step 3: Cross multiply
    28,352,155.80x = 42,528,234.30 × 8,157,397.80
  4. Step 4: Simplify right side
    28,352,155.80x = 346,919,724,916,704.50
  5. Step 5: Solve for x
    x = 346,919,724,916,704.50/28,352,155.80
  6. Step 6: Final answer
    x = 12,236,096.87

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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.