Home / 28,943,936.25-39,942,710.08-15,892,040.53

Finding the Fourth Proportional to 28,943,936.25, 39,942,710.08 and 15,892,040.53

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Solution

The fourth proportional to 28,943,936.25, 39,942,710.08 and 15,892,040.53 is: 21,931,058.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943,936.25 : 39,942,710.08 = 15,892,040.53 : x
  2. Step 2: Convert to fraction form
    28,943,936.25/39,942,710.08 = 15,892,040.53/x
  3. Step 3: Cross multiply
    28,943,936.25x = 39,942,710.08 × 15,892,040.53
  4. Step 4: Simplify right side
    28,943,936.25x = 634,771,167,479,597.88
  5. Step 5: Solve for x
    x = 634,771,167,479,597.88/28,943,936.25
  6. Step 6: Final answer
    x = 21,931,058.79

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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.