Home / 31,368,151.53-47,070,643.25-13,170,947.39

Finding the Fourth Proportional to 31,368,151.53, 47,070,643.25 and 13,170,947.39

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Solution

The fourth proportional to 31,368,151.53, 47,070,643.25 and 13,170,947.39 is: 19,764,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368,151.53 : 47,070,643.25 = 13,170,947.39 : x
  2. Step 2: Convert to fraction form
    31,368,151.53/47,070,643.25 = 13,170,947.39/x
  3. Step 3: Cross multiply
    31,368,151.53x = 47,070,643.25 × 13,170,947.39
  4. Step 4: Simplify right side
    31,368,151.53x = 619,964,965,833,297.62
  5. Step 5: Solve for x
    x = 619,964,965,833,297.62/31,368,151.53
  6. Step 6: Final answer
    x = 19,764,153.63

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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.