Home / 23,101,959.52-31,880,956.08-12,788,854.84

Finding the Fourth Proportional to 23,101,959.52, 31,880,956.08 and 12,788,854.84

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Solution

The fourth proportional to 23,101,959.52, 31,880,956.08 and 12,788,854.84 is: 17,648,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,101,959.52 : 31,880,956.08 = 12,788,854.84 : x
  2. Step 2: Convert to fraction form
    23,101,959.52/31,880,956.08 = 12,788,854.84/x
  3. Step 3: Cross multiply
    23,101,959.52x = 31,880,956.08 × 12,788,854.84
  4. Step 4: Simplify right side
    23,101,959.52x = 407,720,919,467,535.38
  5. Step 5: Solve for x
    x = 407,720,919,467,535.38/23,101,959.52
  6. Step 6: Final answer
    x = 17,648,759.15

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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.