Home / 7,179,216.40-10,768,824.60-5,163,677.20

Finding the Fourth Proportional to 7,179,216.40, 10,768,824.60 and 5,163,677.20

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Solution

The fourth proportional to 7,179,216.40, 10,768,824.60 and 5,163,677.20 is: 7,745,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,216.40 : 10,768,824.60 = 5,163,677.20 : x
  2. Step 2: Convert to fraction form
    7,179,216.40/10,768,824.60 = 5,163,677.20/x
  3. Step 3: Cross multiply
    7,179,216.40x = 10,768,824.60 × 5,163,677.20
  4. Step 4: Simplify right side
    7,179,216.40x = 55,606,734,057,819.12
  5. Step 5: Solve for x
    x = 55,606,734,057,819.12/7,179,216.40
  6. Step 6: Final answer
    x = 7,745,515.80

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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.