Home / 12,144,920.40-18,217,380.60-3,169,472.40

Finding the Fourth Proportional to 12,144,920.40, 18,217,380.60 and 3,169,472.40

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Solution

The fourth proportional to 12,144,920.40, 18,217,380.60 and 3,169,472.40 is: 4,754,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144,920.40 : 18,217,380.60 = 3,169,472.40 : x
  2. Step 2: Convert to fraction form
    12,144,920.40/18,217,380.60 = 3,169,472.40/x
  3. Step 3: Cross multiply
    12,144,920.40x = 18,217,380.60 × 3,169,472.40
  4. Step 4: Simplify right side
    12,144,920.40x = 57,739,485,011,995.45
  5. Step 5: Solve for x
    x = 57,739,485,011,995.45/12,144,920.40
  6. Step 6: Final answer
    x = 4,754,208.60

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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.