Home / 27,099,691.56-40,649,595.12-19,048,692.78

Finding the Fourth Proportional to 27,099,691.56, 40,649,595.12 and 19,048,692.78

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Solution

The fourth proportional to 27,099,691.56, 40,649,595.12 and 19,048,692.78 is: 28,573,079.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,099,691.56 : 40,649,595.12 = 19,048,692.78 : x
  2. Step 2: Convert to fraction form
    27,099,691.56/40,649,595.12 = 19,048,692.78/x
  3. Step 3: Cross multiply
    27,099,691.56x = 40,649,595.12 × 19,048,692.78
  4. Step 4: Simplify right side
    27,099,691.56x = 774,321,649,072,267.25
  5. Step 5: Solve for x
    x = 774,321,649,072,267.25/27,099,691.56
  6. Step 6: Final answer
    x = 28,573,079.78

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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.