Home / 12,069,227.70-18,103,841.55-7,274,448.90

Finding the Fourth Proportional to 12,069,227.70, 18,103,841.55 and 7,274,448.90

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Solution

The fourth proportional to 12,069,227.70, 18,103,841.55 and 7,274,448.90 is: 10,911,673.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,227.70 : 18,103,841.55 = 7,274,448.90 : x
  2. Step 2: Convert to fraction form
    12,069,227.70/18,103,841.55 = 7,274,448.90/x
  3. Step 3: Cross multiply
    12,069,227.70x = 18,103,841.55 × 7,274,448.90
  4. Step 4: Simplify right side
    12,069,227.70x = 131,695,470,249,171.81
  5. Step 5: Solve for x
    x = 131,695,470,249,171.81/12,069,227.70
  6. Step 6: Final answer
    x = 10,911,673.35

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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.