Home / 15,800,124.78-21,805,945.56-8,925,049.74

Finding the Fourth Proportional to 15,800,124.78, 21,805,945.56 and 8,925,049.74

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Solution

The fourth proportional to 15,800,124.78, 21,805,945.56 and 8,925,049.74 is: 12,317,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800,124.78 : 21,805,945.56 = 8,925,049.74 : x
  2. Step 2: Convert to fraction form
    15,800,124.78/21,805,945.56 = 8,925,049.74/x
  3. Step 3: Cross multiply
    15,800,124.78x = 21,805,945.56 × 8,925,049.74
  4. Step 4: Simplify right side
    15,800,124.78x = 194,619,148,750,732.16
  5. Step 5: Solve for x
    x = 194,619,148,750,732.16/15,800,124.78
  6. Step 6: Final answer
    x = 12,317,570.36

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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.