Home / 8,428,878.15-11,631,851.06-4,561,399.50

Finding the Fourth Proportional to 8,428,878.15, 11,631,851.06 and 4,561,399.50

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Solution

The fourth proportional to 8,428,878.15, 11,631,851.06 and 4,561,399.50 is: 6,294,730.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,878.15 : 11,631,851.06 = 4,561,399.50 : x
  2. Step 2: Convert to fraction form
    8,428,878.15/11,631,851.06 = 4,561,399.50/x
  3. Step 3: Cross multiply
    8,428,878.15x = 11,631,851.06 × 4,561,399.50
  4. Step 4: Simplify right side
    8,428,878.15x = 53,057,519,609,158.47
  5. Step 5: Solve for x
    x = 53,057,519,609,158.47/8,428,878.15
  6. Step 6: Final answer
    x = 6,294,730.88

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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.