Home / 8,389,952.80-12,584,929.20-7,043,635.60

Finding the Fourth Proportional to 8,389,952.80, 12,584,929.20 and 7,043,635.60

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Solution

The fourth proportional to 8,389,952.80, 12,584,929.20 and 7,043,635.60 is: 10,565,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389,952.80 : 12,584,929.20 = 7,043,635.60 : x
  2. Step 2: Convert to fraction form
    8,389,952.80/12,584,929.20 = 7,043,635.60/x
  3. Step 3: Cross multiply
    8,389,952.80x = 12,584,929.20 × 7,043,635.60
  4. Step 4: Simplify right side
    8,389,952.80x = 88,643,655,336,599.52
  5. Step 5: Solve for x
    x = 88,643,655,336,599.52/8,389,952.80
  6. Step 6: Final answer
    x = 10,565,453.40

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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.