Home / 31,918,354.78-47,884,257.21-10,351,274.80

Finding the Fourth Proportional to 31,918,354.78, 47,884,257.21 and 10,351,274.80

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Solution

The fourth proportional to 31,918,354.78, 47,884,257.21 and 10,351,274.80 is: 15,529,093.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,918,354.78 : 47,884,257.21 = 10,351,274.80 : x
  2. Step 2: Convert to fraction form
    31,918,354.78/47,884,257.21 = 10,351,274.80/x
  3. Step 3: Cross multiply
    31,918,354.78x = 47,884,257.21 × 10,351,274.80
  4. Step 4: Simplify right side
    31,918,354.78x = 495,663,104,974,591.38
  5. Step 5: Solve for x
    x = 495,663,104,974,591.38/31,918,354.78
  6. Step 6: Final answer
    x = 15,529,093.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.