Home / 10,788,687.41-16,157,178.74-7,862,938.65

Finding the Fourth Proportional to 10,788,687.41, 16,157,178.74 and 7,862,938.65

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Solution

The fourth proportional to 10,788,687.41, 16,157,178.74 and 7,862,938.65 is: 11,775,566.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788,687.41 : 16,157,178.74 = 7,862,938.65 : x
  2. Step 2: Convert to fraction form
    10,788,687.41/16,157,178.74 = 7,862,938.65/x
  3. Step 3: Cross multiply
    10,788,687.41x = 16,157,178.74 × 7,862,938.65
  4. Step 4: Simplify right side
    10,788,687.41x = 127,042,905,209,361.66
  5. Step 5: Solve for x
    x = 127,042,905,209,361.66/10,788,687.41
  6. Step 6: Final answer
    x = 11,775,566.43

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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.