Home / 31,544,606.40-47,329,351.20-12,372,100.80

Finding the Fourth Proportional to 31,544,606.40, 47,329,351.20 and 12,372,100.80

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Solution

The fourth proportional to 31,544,606.40, 47,329,351.20 and 12,372,100.80 is: 18,563,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,544,606.40 : 47,329,351.20 = 12,372,100.80 : x
  2. Step 2: Convert to fraction form
    31,544,606.40/47,329,351.20 = 12,372,100.80/x
  3. Step 3: Cross multiply
    31,544,606.40x = 47,329,351.20 × 12,372,100.80
  4. Step 4: Simplify right side
    31,544,606.40x = 585,563,503,845,001
  5. Step 5: Solve for x
    x = 585,563,503,845,001/31,544,606.40
  6. Step 6: Final answer
    x = 18,563,030.92

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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.