Home / 12,488,020.70-18,732,549.45-3,968,116.70

Finding the Fourth Proportional to 12,488,020.70, 18,732,549.45 and 3,968,116.70

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Solution

The fourth proportional to 12,488,020.70, 18,732,549.45 and 3,968,116.70 is: 5,952,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488,020.70 : 18,732,549.45 = 3,968,116.70 : x
  2. Step 2: Convert to fraction form
    12,488,020.70/18,732,549.45 = 3,968,116.70/x
  3. Step 3: Cross multiply
    12,488,020.70x = 18,732,549.45 × 3,968,116.70
  4. Step 4: Simplify right side
    12,488,020.70x = 74,332,942,306,120.81
  5. Step 5: Solve for x
    x = 74,332,942,306,120.81/12,488,020.70
  6. Step 6: Final answer
    x = 5,952,339.77

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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.