Home / 12,303,005.10-18,454,507.65-3,782,234.40

Finding the Fourth Proportional to 12,303,005.10, 18,454,507.65 and 3,782,234.40

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Solution

The fourth proportional to 12,303,005.10, 18,454,507.65 and 3,782,234.40 is: 5,673,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,005.10 : 18,454,507.65 = 3,782,234.40 : x
  2. Step 2: Convert to fraction form
    12,303,005.10/18,454,507.65 = 3,782,234.40/x
  3. Step 3: Cross multiply
    12,303,005.10x = 18,454,507.65 × 3,782,234.40
  4. Step 4: Simplify right side
    12,303,005.10x = 69,799,273,668,893.16
  5. Step 5: Solve for x
    x = 69,799,273,668,893.16/12,303,005.10
  6. Step 6: Final answer
    x = 5,673,351.60

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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.