Home / 40,521,023.21-55,919,029.33-21,936,162.90

Finding the Fourth Proportional to 40,521,023.21, 55,919,029.33 and 21,936,162.90

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Solution

The fourth proportional to 40,521,023.21, 55,919,029.33 and 21,936,162.90 is: 30,271,914.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,521,023.21 : 55,919,029.33 = 21,936,162.90 : x
  2. Step 2: Convert to fraction form
    40,521,023.21/55,919,029.33 = 21,936,162.90/x
  3. Step 3: Cross multiply
    40,521,023.21x = 55,919,029.33 × 21,936,162.90
  4. Step 4: Simplify right side
    40,521,023.21x = 1,226,648,936,657,165.25
  5. Step 5: Solve for x
    x = 1,226,648,936,657,165.25/40,521,023.21
  6. Step 6: Final answer
    x = 30,271,914.17

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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.