Home / 12,630,295.64-17,425,829.22-7,730,409.62

Finding the Fourth Proportional to 12,630,295.64, 17,425,829.22 and 7,730,409.62

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Solution

The fourth proportional to 12,630,295.64, 17,425,829.22 and 7,730,409.62 is: 10,665,530.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,630,295.64 : 17,425,829.22 = 7,730,409.62 : x
  2. Step 2: Convert to fraction form
    12,630,295.64/17,425,829.22 = 7,730,409.62/x
  3. Step 3: Cross multiply
    12,630,295.64x = 17,425,829.22 × 7,730,409.62
  4. Step 4: Simplify right side
    12,630,295.64x = 134,708,797,838,765.09
  5. Step 5: Solve for x
    x = 134,708,797,838,765.09/12,630,295.64
  6. Step 6: Final answer
    x = 10,665,530.06

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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.