Home / 12,204,132.90-18,306,199.35-9,369,780.90

Finding the Fourth Proportional to 12,204,132.90, 18,306,199.35 and 9,369,780.90

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Solution

The fourth proportional to 12,204,132.90, 18,306,199.35 and 9,369,780.90 is: 14,054,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204,132.90 : 18,306,199.35 = 9,369,780.90 : x
  2. Step 2: Convert to fraction form
    12,204,132.90/18,306,199.35 = 9,369,780.90/x
  3. Step 3: Cross multiply
    12,204,132.90x = 18,306,199.35 × 9,369,780.90
  4. Step 4: Simplify right side
    12,204,132.90x = 171,525,077,021,222.44
  5. Step 5: Solve for x
    x = 171,525,077,021,222.44/12,204,132.90
  6. Step 6: Final answer
    x = 14,054,671.35

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Double scale
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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.