Home / 12,301,107.90-18,451,661.85-5,909,819.10

Finding the Fourth Proportional to 12,301,107.90, 18,451,661.85 and 5,909,819.10

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Solution

The fourth proportional to 12,301,107.90, 18,451,661.85 and 5,909,819.10 is: 8,864,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301,107.90 : 18,451,661.85 = 5,909,819.10 : x
  2. Step 2: Convert to fraction form
    12,301,107.90/18,451,661.85 = 5,909,819.10/x
  3. Step 3: Cross multiply
    12,301,107.90x = 18,451,661.85 × 5,909,819.10
  4. Step 4: Simplify right side
    12,301,107.90x = 109,045,983,627,871.34
  5. Step 5: Solve for x
    x = 109,045,983,627,871.34/12,301,107.90
  6. Step 6: Final answer
    x = 8,864,728.65

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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.