Home / 22,290,726.78-30,761,425.77-12,500,960.78

Finding the Fourth Proportional to 22,290,726.78, 30,761,425.77 and 12,500,960.78

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Solution

The fourth proportional to 22,290,726.78, 30,761,425.77 and 12,500,960.78 is: 17,251,450.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290,726.78 : 30,761,425.77 = 12,500,960.78 : x
  2. Step 2: Convert to fraction form
    22,290,726.78/30,761,425.77 = 12,500,960.78/x
  3. Step 3: Cross multiply
    22,290,726.78x = 30,761,425.77 × 12,500,960.78
  4. Step 4: Simplify right side
    22,290,726.78x = 384,547,376,933,844.19
  5. Step 5: Solve for x
    x = 384,547,376,933,844.19/22,290,726.78
  6. Step 6: Final answer
    x = 17,251,450.83

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1.5x scale

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.