Home / 28,811,427.55-39,760,716.78-15,758,686.04

Finding the Fourth Proportional to 28,811,427.55, 39,760,716.78 and 15,758,686.04

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Solution

The fourth proportional to 28,811,427.55, 39,760,716.78 and 15,758,686.04 is: 21,747,504.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811,427.55 : 39,760,716.78 = 15,758,686.04 : x
  2. Step 2: Convert to fraction form
    28,811,427.55/39,760,716.78 = 15,758,686.04/x
  3. Step 3: Cross multiply
    28,811,427.55x = 39,760,716.78 × 15,758,686.04
  4. Step 4: Simplify right side
    28,811,427.55x = 626,576,652,461,379.75
  5. Step 5: Solve for x
    x = 626,576,652,461,379.75/28,811,427.55
  6. Step 6: Final answer
    x = 21,747,504.58

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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.