Home / 23,101,959.65-31,880,956.25-12,788,854.97

Finding the Fourth Proportional to 23,101,959.65, 31,880,956.25 and 12,788,854.97

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Solution

The fourth proportional to 23,101,959.65, 31,880,956.25 and 12,788,854.97 is: 17,648,759.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,101,959.65 : 31,880,956.25 = 12,788,854.97 : x
  2. Step 2: Convert to fraction form
    23,101,959.65/31,880,956.25 = 12,788,854.97/x
  3. Step 3: Cross multiply
    23,101,959.65x = 31,880,956.25 × 12,788,854.97
  4. Step 4: Simplify right side
    23,101,959.65x = 407,720,925,658,732.44
  5. Step 5: Solve for x
    x = 407,720,925,658,732.44/23,101,959.65
  6. Step 6: Final answer
    x = 17,648,759.32

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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.