Home / 37,871,243.20-56,806,864.80-12,313,086.40

Finding the Fourth Proportional to 37,871,243.20, 56,806,864.80 and 12,313,086.40

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Solution

The fourth proportional to 37,871,243.20, 56,806,864.80 and 12,313,086.40 is: 18,469,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,871,243.20 : 56,806,864.80 = 12,313,086.40 : x
  2. Step 2: Convert to fraction form
    37,871,243.20/56,806,864.80 = 12,313,086.40/x
  3. Step 3: Cross multiply
    37,871,243.20x = 56,806,864.80 × 12,313,086.40
  4. Step 4: Simplify right side
    37,871,243.20x = 699,467,834,395,518.75
  5. Step 5: Solve for x
    x = 699,467,834,395,518.75/37,871,243.20
  6. Step 6: Final answer
    x = 18,469,629.60

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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.