Home / 12,228,363.60-18,342,545.40-3,709,123.80

Finding the Fourth Proportional to 12,228,363.60, 18,342,545.40 and 3,709,123.80

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Solution

The fourth proportional to 12,228,363.60, 18,342,545.40 and 3,709,123.80 is: 5,563,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228,363.60 : 18,342,545.40 = 3,709,123.80 : x
  2. Step 2: Convert to fraction form
    12,228,363.60/18,342,545.40 = 3,709,123.80/x
  3. Step 3: Cross multiply
    12,228,363.60x = 18,342,545.40 × 3,709,123.80
  4. Step 4: Simplify right side
    12,228,363.60x = 68,034,771,695,720.51
  5. Step 5: Solve for x
    x = 68,034,771,695,720.51/12,228,363.60
  6. Step 6: Final answer
    x = 5,563,685.70

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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.