Home / 31,368,155.53-47,070,649.26-13,170,951.39

Finding the Fourth Proportional to 31,368,155.53, 47,070,649.26 and 13,170,951.39

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Solution

The fourth proportional to 31,368,155.53, 47,070,649.26 and 13,170,951.39 is: 19,764,159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368,155.53 : 47,070,649.26 = 13,170,951.39 : x
  2. Step 2: Convert to fraction form
    31,368,155.53/47,070,649.26 = 13,170,951.39/x
  3. Step 3: Cross multiply
    31,368,155.53x = 47,070,649.26 × 13,170,951.39
  4. Step 4: Simplify right side
    31,368,155.53x = 619,965,233,299,199.50
  5. Step 5: Solve for x
    x = 619,965,233,299,199.50/31,368,155.53
  6. Step 6: Final answer
    x = 19,764,159.63

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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.