Home / 30,521,009.80-45,781,514.70-10,326,251.80

Finding the Fourth Proportional to 30,521,009.80, 45,781,514.70 and 10,326,251.80

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Solution

The fourth proportional to 30,521,009.80, 45,781,514.70 and 10,326,251.80 is: 15,489,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521,009.80 : 45,781,514.70 = 10,326,251.80 : x
  2. Step 2: Convert to fraction form
    30,521,009.80/45,781,514.70 = 10,326,251.80/x
  3. Step 3: Cross multiply
    30,521,009.80x = 45,781,514.70 × 10,326,251.80
  4. Step 4: Simplify right side
    30,521,009.80x = 472,751,448,577,601.50
  5. Step 5: Solve for x
    x = 472,751,448,577,601.50/30,521,009.80
  6. Step 6: Final answer
    x = 15,489,377.70

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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.