Home / 7,877,036.56-11,815,648.92-2,196,915.28

Finding the Fourth Proportional to 7,877,036.56, 11,815,648.92 and 2,196,915.28

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Solution

The fourth proportional to 7,877,036.56, 11,815,648.92 and 2,196,915.28 is: 3,295,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877,036.56 : 11,815,648.92 = 2,196,915.28 : x
  2. Step 2: Convert to fraction form
    7,877,036.56/11,815,648.92 = 2,196,915.28/x
  3. Step 3: Cross multiply
    7,877,036.56x = 11,815,648.92 × 2,196,915.28
  4. Step 4: Simplify right side
    7,877,036.56x = 25,957,979,655,463.50
  5. Step 5: Solve for x
    x = 25,957,979,655,463.50/7,877,036.56
  6. Step 6: Final answer
    x = 3,295,399.16

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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.