Home / 7,931,454.50-10,945,472.82-4,309,782.50

Finding the Fourth Proportional to 7,931,454.50, 10,945,472.82 and 4,309,782.50

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Solution

The fourth proportional to 7,931,454.50, 10,945,472.82 and 4,309,782.50 is: 5,947,535.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931,454.50 : 10,945,472.82 = 4,309,782.50 : x
  2. Step 2: Convert to fraction form
    7,931,454.50/10,945,472.82 = 4,309,782.50/x
  3. Step 3: Cross multiply
    7,931,454.50x = 10,945,472.82 × 4,309,782.50
  4. Step 4: Simplify right side
    7,931,454.50x = 47,172,607,213,861.65
  5. Step 5: Solve for x
    x = 47,172,607,213,861.65/7,931,454.50
  6. Step 6: Final answer
    x = 5,947,535.50

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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.