Home / 31,972,954.40-47,959,869.12-10,407,647.36

Finding the Fourth Proportional to 31,972,954.40, 47,959,869.12 and 10,407,647.36

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Solution

The fourth proportional to 31,972,954.40, 47,959,869.12 and 10,407,647.36 is: 15,611,613.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972,954.40 : 47,959,869.12 = 10,407,647.36 : x
  2. Step 2: Convert to fraction form
    31,972,954.40/47,959,869.12 = 10,407,647.36/x
  3. Step 3: Cross multiply
    31,972,954.40x = 47,959,869.12 × 10,407,647.36
  4. Step 4: Simplify right side
    31,972,954.40x = 499,149,405,232,713.44
  5. Step 5: Solve for x
    x = 499,149,405,232,713.44/31,972,954.40
  6. Step 6: Final answer
    x = 15,611,613.46

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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.