Home / 7,931,401.50-10,945,399.68-4,309,729.50

Finding the Fourth Proportional to 7,931,401.50, 10,945,399.68 and 4,309,729.50

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Solution

The fourth proportional to 7,931,401.50, 10,945,399.68 and 4,309,729.50 is: 5,947,462.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931,401.50 : 10,945,399.68 = 4,309,729.50 : x
  2. Step 2: Convert to fraction form
    7,931,401.50/10,945,399.68 = 4,309,729.50/x
  3. Step 3: Cross multiply
    7,931,401.50x = 10,945,399.68 × 4,309,729.50
  4. Step 4: Simplify right side
    7,931,401.50x = 47,171,711,890,186.56
  5. Step 5: Solve for x
    x = 47,171,711,890,186.56/7,931,401.50
  6. Step 6: Final answer
    x = 5,947,462.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.