Home / 12,127,545.70-18,198,316.95-4,555,276.90

Finding the Fourth Proportional to 12,127,545.70, 18,198,316.95 and 4,555,276.90

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Solution

The fourth proportional to 12,127,545.70, 18,198,316.95 and 4,555,276.90 is: 6,835,544.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,545.70 : 18,198,316.95 = 4,555,276.90 : x
  2. Step 2: Convert to fraction form
    12,127,545.70/18,198,316.95 = 4,555,276.90/x
  3. Step 3: Cross multiply
    12,127,545.70x = 18,198,316.95 × 4,555,276.90
  4. Step 4: Simplify right side
    12,127,545.70x = 82,898,372,821,213.45
  5. Step 5: Solve for x
    x = 82,898,372,821,213.45/12,127,545.70
  6. Step 6: Final answer
    x = 6,835,544.05

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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.