Home / 13,454,790.88-18,567,335.28-7,343,217.76

Finding the Fourth Proportional to 13,454,790.88, 18,567,335.28 and 7,343,217.76

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Solution

The fourth proportional to 13,454,790.88, 18,567,335.28 and 7,343,217.76 is: 10,133,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454,790.88 : 18,567,335.28 = 7,343,217.76 : x
  2. Step 2: Convert to fraction form
    13,454,790.88/18,567,335.28 = 7,343,217.76/x
  3. Step 3: Cross multiply
    13,454,790.88x = 18,567,335.28 × 7,343,217.76
  4. Step 4: Simplify right side
    13,454,790.88x = 136,343,986,183,970.58
  5. Step 5: Solve for x
    x = 136,343,986,183,970.58/13,454,790.88
  6. Step 6: Final answer
    x = 10,133,489.80

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1.5x scale

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.