Home / 30,406,555.35-45,609,833.03-28,373,793.53

Finding the Fourth Proportional to 30,406,555.35, 45,609,833.03 and 28,373,793.53

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Solution

The fourth proportional to 30,406,555.35, 45,609,833.03 and 28,373,793.53 is: 42,560,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,406,555.35 : 45,609,833.03 = 28,373,793.53 : x
  2. Step 2: Convert to fraction form
    30,406,555.35/45,609,833.03 = 28,373,793.53/x
  3. Step 3: Cross multiply
    30,406,555.35x = 45,609,833.03 × 28,373,793.53
  4. Step 4: Simplify right side
    30,406,555.35x = 1,294,123,984,961,076
  5. Step 5: Solve for x
    x = 1,294,123,984,961,076/30,406,555.35
  6. Step 6: Final answer
    x = 42,560,690.29

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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.