Home / 12,146,039.40-18,219,059.10-3,170,591.40

Finding the Fourth Proportional to 12,146,039.40, 18,219,059.10 and 3,170,591.40

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Solution

The fourth proportional to 12,146,039.40, 18,219,059.10 and 3,170,591.40 is: 4,755,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146,039.40 : 18,219,059.10 = 3,170,591.40 : x
  2. Step 2: Convert to fraction form
    12,146,039.40/18,219,059.10 = 3,170,591.40/x
  3. Step 3: Cross multiply
    12,146,039.40x = 18,219,059.10 × 3,170,591.40
  4. Step 4: Simplify right side
    12,146,039.40x = 57,765,192,098,551.74
  5. Step 5: Solve for x
    x = 57,765,192,098,551.74/12,146,039.40
  6. Step 6: Final answer
    x = 4,755,887.10

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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.