Home / 25,657,726.85-35,394,239.07-15,865,040.69

Finding the Fourth Proportional to 25,657,726.85, 35,394,239.07 and 15,865,040.69

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Solution

The fourth proportional to 25,657,726.85, 35,394,239.07 and 15,865,040.69 is: 21,885,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,657,726.85 : 35,394,239.07 = 15,865,040.69 : x
  2. Step 2: Convert to fraction form
    25,657,726.85/35,394,239.07 = 15,865,040.69/x
  3. Step 3: Cross multiply
    25,657,726.85x = 35,394,239.07 × 15,865,040.69
  4. Step 4: Simplify right side
    25,657,726.85x = 561,531,043,037,137.75
  5. Step 5: Solve for x
    x = 561,531,043,037,137.75/25,657,726.85
  6. Step 6: Final answer
    x = 21,885,455.65

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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.