Home / 31,918,396.86-47,884,320.24-10,351,316.88

Finding the Fourth Proportional to 31,918,396.86, 47,884,320.24 and 10,351,316.88

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Solution

The fourth proportional to 31,918,396.86, 47,884,320.24 and 10,351,316.88 is: 15,529,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,918,396.86 : 47,884,320.24 = 10,351,316.88 : x
  2. Step 2: Convert to fraction form
    31,918,396.86/47,884,320.24 = 10,351,316.88/x
  3. Step 3: Cross multiply
    31,918,396.86x = 47,884,320.24 × 10,351,316.88
  4. Step 4: Simplify right side
    31,918,396.86x = 495,665,772,387,637.69
  5. Step 5: Solve for x
    x = 495,665,772,387,637.69/31,918,396.86
  6. Step 6: Final answer
    x = 15,529,156.26

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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.