Home / 31,118,786.40-42,904,003.28-25,516,392.24

Finding the Fourth Proportional to 31,118,786.40, 42,904,003.28 and 25,516,392.24

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Solution

The fourth proportional to 31,118,786.40, 42,904,003.28 and 25,516,392.24 is: 35,179,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,118,786.40 : 42,904,003.28 = 25,516,392.24 : x
  2. Step 2: Convert to fraction form
    31,118,786.40/42,904,003.28 = 25,516,392.24/x
  3. Step 3: Cross multiply
    31,118,786.40x = 42,904,003.28 × 25,516,392.24
  4. Step 4: Simplify right side
    31,118,786.40x = 1,094,755,376,358,726.50
  5. Step 5: Solve for x
    x = 1,094,755,376,358,726.50/31,118,786.40
  6. Step 6: Final answer
    x = 35,179,886.59

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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.