Home / 30,126,161.38-45,195,255.51-15,755,698.66

Finding the Fourth Proportional to 30,126,161.38, 45,195,255.51 and 15,755,698.66

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Solution

The fourth proportional to 30,126,161.38, 45,195,255.51 and 15,755,698.66 is: 23,636,692.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126,161.38 : 45,195,255.51 = 15,755,698.66 : x
  2. Step 2: Convert to fraction form
    30,126,161.38/45,195,255.51 = 15,755,698.66/x
  3. Step 3: Cross multiply
    30,126,161.38x = 45,195,255.51 × 15,755,698.66
  4. Step 4: Simplify right side
    30,126,161.38x = 712,082,826,677,264.62
  5. Step 5: Solve for x
    x = 712,082,826,677,264.62/30,126,161.38
  6. Step 6: Final answer
    x = 23,636,692.96

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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.