Home / 13,907,073.39-20,866,604.10-7,521,820.71

Finding the Fourth Proportional to 13,907,073.39, 20,866,604.10 and 7,521,820.71

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Solution

The fourth proportional to 13,907,073.39, 20,866,604.10 and 7,521,820.71 is: 11,285,973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907,073.39 : 20,866,604.10 = 7,521,820.71 : x
  2. Step 2: Convert to fraction form
    13,907,073.39/20,866,604.10 = 7,521,820.71/x
  3. Step 3: Cross multiply
    13,907,073.39x = 20,866,604.10 × 7,521,820.71
  4. Step 4: Simplify right side
    13,907,073.39x = 156,954,854,866,750.91
  5. Step 5: Solve for x
    x = 156,954,854,866,750.91/13,907,073.39
  6. Step 6: Final answer
    x = 11,285,973.01

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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.