Home / 12,152,190.88-18,232,276.88-4,969,765.28

Finding the Fourth Proportional to 12,152,190.88, 18,232,276.88 and 4,969,765.28

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Solution

The fourth proportional to 12,152,190.88, 18,232,276.88 and 4,969,765.28 is: 7,456,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152,190.88 : 18,232,276.88 = 4,969,765.28 : x
  2. Step 2: Convert to fraction form
    12,152,190.88/18,232,276.88 = 4,969,765.28/x
  3. Step 3: Cross multiply
    12,152,190.88x = 18,232,276.88 × 4,969,765.28
  4. Step 4: Simplify right side
    12,152,190.88x = 90,610,136,613,570.72
  5. Step 5: Solve for x
    x = 90,610,136,613,570.72/12,152,190.88
  6. Step 6: Final answer
    x = 7,456,279.90

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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.