Home / 30,294,820.70-45,442,231.05-17,508,743.90

Finding the Fourth Proportional to 30,294,820.70, 45,442,231.05 and 17,508,743.90

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Solution

The fourth proportional to 30,294,820.70, 45,442,231.05 and 17,508,743.90 is: 26,263,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,294,820.70 : 45,442,231.05 = 17,508,743.90 : x
  2. Step 2: Convert to fraction form
    30,294,820.70/45,442,231.05 = 17,508,743.90/x
  3. Step 3: Cross multiply
    30,294,820.70x = 45,442,231.05 × 17,508,743.90
  4. Step 4: Simplify right side
    30,294,820.70x = 795,636,385,699,078
  5. Step 5: Solve for x
    x = 795,636,385,699,078/30,294,820.70
  6. Step 6: Final answer
    x = 26,263,115.85

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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.