Home / 31,696,851-47,542,950.86-10,125,660.76

Finding the Fourth Proportional to 31,696,851, 47,542,950.86 and 10,125,660.76

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Solution

The fourth proportional to 31,696,851, 47,542,950.86 and 10,125,660.76 is: 15,187,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,696,851 : 47,542,950.86 = 10,125,660.76 : x
  2. Step 2: Convert to fraction form
    31,696,851/47,542,950.86 = 10,125,660.76/x
  3. Step 3: Cross multiply
    31,696,851x = 47,542,950.86 × 10,125,660.76
  4. Step 4: Simplify right side
    31,696,851x = 481,403,791,937,710.25
  5. Step 5: Solve for x
    x = 481,403,791,937,710.25/31,696,851
  6. Step 6: Final answer
    x = 15,187,748.21

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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.