Home / 13,177,307.80-19,764,139.20-4,085,657.20

Finding the Fourth Proportional to 13,177,307.80, 19,764,139.20 and 4,085,657.20

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Solution

The fourth proportional to 13,177,307.80, 19,764,139.20 and 4,085,657.20 is: 6,127,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177,307.80 : 19,764,139.20 = 4,085,657.20 : x
  2. Step 2: Convert to fraction form
    13,177,307.80/19,764,139.20 = 4,085,657.20/x
  3. Step 3: Cross multiply
    13,177,307.80x = 19,764,139.20 × 4,085,657.20
  4. Step 4: Simplify right side
    13,177,307.80x = 80,749,497,624,282.23
  5. Step 5: Solve for x
    x = 80,749,497,624,282.23/13,177,307.80
  6. Step 6: Final answer
    x = 6,127,920.73

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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.