Home / 28,449,123.94-39,259,647.57-15,396,386.23

Finding the Fourth Proportional to 28,449,123.94, 39,259,647.57 and 15,396,386.23

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Solution

The fourth proportional to 28,449,123.94, 39,259,647.57 and 15,396,386.23 is: 21,246,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449,123.94 : 39,259,647.57 = 15,396,386.23 : x
  2. Step 2: Convert to fraction form
    28,449,123.94/39,259,647.57 = 15,396,386.23/x
  3. Step 3: Cross multiply
    28,449,123.94x = 39,259,647.57 × 15,396,386.23
  4. Step 4: Simplify right side
    28,449,123.94x = 604,456,697,241,401
  5. Step 5: Solve for x
    x = 604,456,697,241,401/28,449,123.94
  6. Step 6: Final answer
    x = 21,246,935.35

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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.