Home / 18,144,977.20-27,217,465.80-12,098,359.60

Finding the Fourth Proportional to 18,144,977.20, 27,217,465.80 and 12,098,359.60

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Solution

The fourth proportional to 18,144,977.20, 27,217,465.80 and 12,098,359.60 is: 18,147,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,977.20 : 27,217,465.80 = 12,098,359.60 : x
  2. Step 2: Convert to fraction form
    18,144,977.20/27,217,465.80 = 12,098,359.60/x
  3. Step 3: Cross multiply
    18,144,977.20x = 27,217,465.80 × 12,098,359.60
  4. Step 4: Simplify right side
    18,144,977.20x = 329,286,688,649,101.69
  5. Step 5: Solve for x
    x = 329,286,688,649,101.69/18,144,977.20
  6. Step 6: Final answer
    x = 18,147,539.40

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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.