Home / 12,472,810.80-18,707,466.60-3,954,008.40

Finding the Fourth Proportional to 12,472,810.80, 18,707,466.60 and 3,954,008.40

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Solution

The fourth proportional to 12,472,810.80, 18,707,466.60 and 3,954,008.40 is: 5,930,457.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,810.80 : 18,707,466.60 = 3,954,008.40 : x
  2. Step 2: Convert to fraction form
    12,472,810.80/18,707,466.60 = 3,954,008.40/x
  3. Step 3: Cross multiply
    12,472,810.80x = 18,707,466.60 × 3,954,008.40
  4. Step 4: Simplify right side
    12,472,810.80x = 73,969,480,079,119.44
  5. Step 5: Solve for x
    x = 73,969,480,079,119.44/12,472,810.80
  6. Step 6: Final answer
    x = 5,930,457.96

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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.