Home / 28,331,494.62-39,092,584.95-15,939,868.38

Finding the Fourth Proportional to 28,331,494.62, 39,092,584.95 and 15,939,868.38

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Solution

The fourth proportional to 28,331,494.62, 39,092,584.95 and 15,939,868.38 is: 21,994,274.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,494.62 : 39,092,584.95 = 15,939,868.38 : x
  2. Step 2: Convert to fraction form
    28,331,494.62/39,092,584.95 = 15,939,868.38/x
  3. Step 3: Cross multiply
    28,331,494.62x = 39,092,584.95 × 15,939,868.38
  4. Step 4: Simplify right side
    28,331,494.62x = 623,130,658,736,969
  5. Step 5: Solve for x
    x = 623,130,658,736,969/28,331,494.62
  6. Step 6: Final answer
    x = 21,994,274.11

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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.