Home / 13,762,360.32-18,994,947-8,729,854.68

Finding the Fourth Proportional to 13,762,360.32, 18,994,947 and 8,729,854.68

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Solution

The fourth proportional to 13,762,360.32, 18,994,947 and 8,729,854.68 is: 12,049,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762,360.32 : 18,994,947 = 8,729,854.68 : x
  2. Step 2: Convert to fraction form
    13,762,360.32/18,994,947 = 8,729,854.68/x
  3. Step 3: Cross multiply
    13,762,360.32x = 18,994,947 × 8,729,854.68
  4. Step 4: Simplify right side
    13,762,360.32x = 165,823,126,964,301.97
  5. Step 5: Solve for x
    x = 165,823,126,964,301.97/13,762,360.32
  6. Step 6: Final answer
    x = 12,049,032.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.