Home / 8,448,518.40-12,672,777.60-3,899,558.40

Finding the Fourth Proportional to 8,448,518.40, 12,672,777.60 and 3,899,558.40

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Solution

The fourth proportional to 8,448,518.40, 12,672,777.60 and 3,899,558.40 is: 5,849,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448,518.40 : 12,672,777.60 = 3,899,558.40 : x
  2. Step 2: Convert to fraction form
    8,448,518.40/12,672,777.60 = 3,899,558.40/x
  3. Step 3: Cross multiply
    8,448,518.40x = 12,672,777.60 × 3,899,558.40
  4. Step 4: Simplify right side
    8,448,518.40x = 49,418,236,341,411.84
  5. Step 5: Solve for x
    x = 49,418,236,341,411.84/8,448,518.40
  6. Step 6: Final answer
    x = 5,849,337.60

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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.