Home / 9,479,427.20-14,219,140.80-8,807,580.80

Finding the Fourth Proportional to 9,479,427.20, 14,219,140.80 and 8,807,580.80

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Solution

The fourth proportional to 9,479,427.20, 14,219,140.80 and 8,807,580.80 is: 13,211,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479,427.20 : 14,219,140.80 = 8,807,580.80 : x
  2. Step 2: Convert to fraction form
    9,479,427.20/14,219,140.80 = 8,807,580.80/x
  3. Step 3: Cross multiply
    9,479,427.20x = 14,219,140.80 × 8,807,580.80
  4. Step 4: Simplify right side
    9,479,427.20x = 125,236,231,502,576.66
  5. Step 5: Solve for x
    x = 125,236,231,502,576.66/9,479,427.20
  6. Step 6: Final answer
    x = 13,211,371.20

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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.