Home / 12,456,824.40-18,685,236.60-4,479,454.80

Finding the Fourth Proportional to 12,456,824.40, 18,685,236.60 and 4,479,454.80

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Solution

The fourth proportional to 12,456,824.40, 18,685,236.60 and 4,479,454.80 is: 6,719,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,824.40 : 18,685,236.60 = 4,479,454.80 : x
  2. Step 2: Convert to fraction form
    12,456,824.40/18,685,236.60 = 4,479,454.80/x
  3. Step 3: Cross multiply
    12,456,824.40x = 18,685,236.60 × 4,479,454.80
  4. Step 4: Simplify right side
    12,456,824.40x = 83,699,672,777,005.69
  5. Step 5: Solve for x
    x = 83,699,672,777,005.69/12,456,824.40
  6. Step 6: Final answer
    x = 6,719,182.20

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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.