Home / 27,689,156.10-38,212,835.13-15,299,251.02

Finding the Fourth Proportional to 27,689,156.10, 38,212,835.13 and 15,299,251.02

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Solution

The fourth proportional to 27,689,156.10, 38,212,835.13 and 15,299,251.02 is: 21,113,960.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,689,156.10 : 38,212,835.13 = 15,299,251.02 : x
  2. Step 2: Convert to fraction form
    27,689,156.10/38,212,835.13 = 15,299,251.02/x
  3. Step 3: Cross multiply
    27,689,156.10x = 38,212,835.13 × 15,299,251.02
  4. Step 4: Simplify right side
    27,689,156.10x = 584,627,756,839,744.38
  5. Step 5: Solve for x
    x = 584,627,756,839,744.38/27,689,156.10
  6. Step 6: Final answer
    x = 21,113,960.81

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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.