Home / 11,388,938.40-17,120,732.40-8,046,295.20

Finding the Fourth Proportional to 11,388,938.40, 17,120,732.40 and 8,046,295.20

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Solution

The fourth proportional to 11,388,938.40, 17,120,732.40 and 8,046,295.20 is: 12,095,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388,938.40 : 17,120,732.40 = 8,046,295.20 : x
  2. Step 2: Convert to fraction form
    11,388,938.40/17,120,732.40 = 8,046,295.20/x
  3. Step 3: Cross multiply
    11,388,938.40x = 17,120,732.40 × 8,046,295.20
  4. Step 4: Simplify right side
    11,388,938.40x = 137,758,466,930,604.47
  5. Step 5: Solve for x
    x = 137,758,466,930,604.47/11,388,938.40
  6. Step 6: Final answer
    x = 12,095,812.80

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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.