Home / 31,409,542.20-47,117,423.70-10,936,111.80

Finding the Fourth Proportional to 31,409,542.20, 47,117,423.70 and 10,936,111.80

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Solution

The fourth proportional to 31,409,542.20, 47,117,423.70 and 10,936,111.80 is: 16,405,250.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,409,542.20 : 47,117,423.70 = 10,936,111.80 : x
  2. Step 2: Convert to fraction form
    31,409,542.20/47,117,423.70 = 10,936,111.80/x
  3. Step 3: Cross multiply
    31,409,542.20x = 47,117,423.70 × 10,936,111.80
  4. Step 4: Simplify right side
    31,409,542.20x = 515,281,413,311,169.75
  5. Step 5: Solve for x
    x = 515,281,413,311,169.75/31,409,542.20
  6. Step 6: Final answer
    x = 16,405,250.67

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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.