Home / 30,253,564.70-45,380,347.05-17,498,980.70

Finding the Fourth Proportional to 30,253,564.70, 45,380,347.05 and 17,498,980.70

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Solution

The fourth proportional to 30,253,564.70, 45,380,347.05 and 17,498,980.70 is: 26,248,471.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253,564.70 : 45,380,347.05 = 17,498,980.70 : x
  2. Step 2: Convert to fraction form
    30,253,564.70/45,380,347.05 = 17,498,980.70/x
  3. Step 3: Cross multiply
    30,253,564.70x = 45,380,347.05 × 17,498,980.70
  4. Step 4: Simplify right side
    30,253,564.70x = 794,109,817,187,251.88
  5. Step 5: Solve for x
    x = 794,109,817,187,251.88/30,253,564.70
  6. Step 6: Final answer
    x = 26,248,471.05

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Similar ratio
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1.5x scale

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.