Home / 7,643,073.28-11,452,012.80-4,439,205.76

Finding the Fourth Proportional to 7,643,073.28, 11,452,012.80 and 4,439,205.76

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Solution

The fourth proportional to 7,643,073.28, 11,452,012.80 and 4,439,205.76 is: 6,651,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643,073.28 : 11,452,012.80 = 4,439,205.76 : x
  2. Step 2: Convert to fraction form
    7,643,073.28/11,452,012.80 = 4,439,205.76/x
  3. Step 3: Cross multiply
    7,643,073.28x = 11,452,012.80 × 4,439,205.76
  4. Step 4: Simplify right side
    7,643,073.28x = 50,837,841,185,353.73
  5. Step 5: Solve for x
    x = 50,837,841,185,353.73/7,643,073.28
  6. Step 6: Final answer
    x = 6,651,492.05

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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.