Home / 26,929,005.12-40,393,864.80-8,978,114.88

Finding the Fourth Proportional to 26,929,005.12, 40,393,864.80 and 8,978,114.88

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Solution

The fourth proportional to 26,929,005.12, 40,393,864.80 and 8,978,114.88 is: 13,467,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929,005.12 : 40,393,864.80 = 8,978,114.88 : x
  2. Step 2: Convert to fraction form
    26,929,005.12/40,393,864.80 = 8,978,114.88/x
  3. Step 3: Cross multiply
    26,929,005.12x = 40,393,864.80 × 8,978,114.88
  4. Step 4: Simplify right side
    26,929,005.12x = 362,660,758,621,588.25
  5. Step 5: Solve for x
    x = 362,660,758,621,588.25/26,929,005.12
  6. Step 6: Final answer
    x = 13,467,291.38

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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.