Home / 18,390,086.40-27,588,045.60-6,260,692.80

Finding the Fourth Proportional to 18,390,086.40, 27,588,045.60 and 6,260,692.80

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Solution

The fourth proportional to 18,390,086.40, 27,588,045.60 and 6,260,692.80 is: 9,392,031.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390,086.40 : 27,588,045.60 = 6,260,692.80 : x
  2. Step 2: Convert to fraction form
    18,390,086.40/27,588,045.60 = 6,260,692.80/x
  3. Step 3: Cross multiply
    18,390,086.40x = 27,588,045.60 × 6,260,692.80
  4. Step 4: Simplify right side
    18,390,086.40x = 172,720,278,453,991.69
  5. Step 5: Solve for x
    x = 172,720,278,453,991.69/18,390,086.40
  6. Step 6: Final answer
    x = 9,392,031.92

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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.