Home / 14,440,585.92-19,928,264.40-7,913,780.88

Finding the Fourth Proportional to 14,440,585.92, 19,928,264.40 and 7,913,780.88

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Solution

The fourth proportional to 14,440,585.92, 19,928,264.40 and 7,913,780.88 is: 10,921,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440,585.92 : 19,928,264.40 = 7,913,780.88 : x
  2. Step 2: Convert to fraction form
    14,440,585.92/19,928,264.40 = 7,913,780.88/x
  3. Step 3: Cross multiply
    14,440,585.92x = 19,928,264.40 × 7,913,780.88
  4. Step 4: Simplify right side
    14,440,585.92x = 157,707,917,780,304.66
  5. Step 5: Solve for x
    x = 157,707,917,780,304.66/14,440,585.92
  6. Step 6: Final answer
    x = 10,921,157.82

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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.