Home / 10,386,640.89-15,566,033.43-8,083,915.20

Finding the Fourth Proportional to 10,386,640.89, 15,566,033.43 and 8,083,915.20

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Solution

The fourth proportional to 10,386,640.89, 15,566,033.43 and 8,083,915.20 is: 12,115,032.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386,640.89 : 15,566,033.43 = 8,083,915.20 : x
  2. Step 2: Convert to fraction form
    10,386,640.89/15,566,033.43 = 8,083,915.20/x
  3. Step 3: Cross multiply
    10,386,640.89x = 15,566,033.43 × 8,083,915.20
  4. Step 4: Simplify right side
    10,386,640.89x = 125,834,494,248,485.14
  5. Step 5: Solve for x
    x = 125,834,494,248,485.14/10,386,640.89
  6. Step 6: Final answer
    x = 12,115,032.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.