Home / 15,738,969.73-21,719,864.39-9,127,478.15

Finding the Fourth Proportional to 15,738,969.73, 21,719,864.39 and 9,127,478.15

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Solution

The fourth proportional to 15,738,969.73, 21,719,864.39 and 9,127,478.15 is: 12,595,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,738,969.73 : 21,719,864.39 = 9,127,478.15 : x
  2. Step 2: Convert to fraction form
    15,738,969.73/21,719,864.39 = 9,127,478.15/x
  3. Step 3: Cross multiply
    15,738,969.73x = 21,719,864.39 × 9,127,478.15
  4. Step 4: Simplify right side
    15,738,969.73x = 198,247,587,683,578.41
  5. Step 5: Solve for x
    x = 198,247,587,683,578.41/15,738,969.73
  6. Step 6: Final answer
    x = 12,595,969.82

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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.