Home / 10,145,429.56-15,223,125.30-4,079,916.28

Finding the Fourth Proportional to 10,145,429.56, 15,223,125.30 and 4,079,916.28

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Solution

The fourth proportional to 10,145,429.56, 15,223,125.30 and 4,079,916.28 is: 6,121,877.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145,429.56 : 15,223,125.30 = 4,079,916.28 : x
  2. Step 2: Convert to fraction form
    10,145,429.56/15,223,125.30 = 4,079,916.28/x
  3. Step 3: Cross multiply
    10,145,429.56x = 15,223,125.30 × 4,079,916.28
  4. Step 4: Simplify right side
    10,145,429.56x = 62,109,076,743,949.88
  5. Step 5: Solve for x
    x = 62,109,076,743,949.88/10,145,429.56
  6. Step 6: Final answer
    x = 6,121,877.48

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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.