Home / 12,944,506.40-19,429,201.20-6,561,965.60

Finding the Fourth Proportional to 12,944,506.40, 19,429,201.20 and 6,561,965.60

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Solution

The fourth proportional to 12,944,506.40, 19,429,201.20 and 6,561,965.60 is: 9,849,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,506.40 : 19,429,201.20 = 6,561,965.60 : x
  2. Step 2: Convert to fraction form
    12,944,506.40/19,429,201.20 = 6,561,965.60/x
  3. Step 3: Cross multiply
    12,944,506.40x = 19,429,201.20 × 6,561,965.60
  4. Step 4: Simplify right side
    12,944,506.40x = 127,493,749,909,878.70
  5. Step 5: Solve for x
    x = 127,493,749,909,878.70/12,944,506.40
  6. Step 6: Final answer
    x = 9,849,255.43

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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.