Home / 12,028,613.70-18,042,920.55-5,961,000.90

Finding the Fourth Proportional to 12,028,613.70, 18,042,920.55 and 5,961,000.90

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Solution

The fourth proportional to 12,028,613.70, 18,042,920.55 and 5,961,000.90 is: 8,941,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028,613.70 : 18,042,920.55 = 5,961,000.90 : x
  2. Step 2: Convert to fraction form
    12,028,613.70/18,042,920.55 = 5,961,000.90/x
  3. Step 3: Cross multiply
    12,028,613.70x = 18,042,920.55 × 5,961,000.90
  4. Step 4: Simplify right side
    12,028,613.70x = 107,553,865,637,178.50
  5. Step 5: Solve for x
    x = 107,553,865,637,178.50/12,028,613.70
  6. Step 6: Final answer
    x = 8,941,501.35

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Similar ratio
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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.