Home / 17,446,460.80-26,169,691.20-12,668,886.40

Finding the Fourth Proportional to 17,446,460.80, 26,169,691.20 and 12,668,886.40

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Solution

The fourth proportional to 17,446,460.80, 26,169,691.20 and 12,668,886.40 is: 19,003,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,446,460.80 : 26,169,691.20 = 12,668,886.40 : x
  2. Step 2: Convert to fraction form
    17,446,460.80/26,169,691.20 = 12,668,886.40/x
  3. Step 3: Cross multiply
    17,446,460.80x = 26,169,691.20 × 12,668,886.40
  4. Step 4: Simplify right side
    17,446,460.80x = 331,540,844,935,879.69
  5. Step 5: Solve for x
    x = 331,540,844,935,879.69/17,446,460.80
  6. Step 6: Final answer
    x = 19,003,329.60

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Similar ratio
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1.5x scale

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.