Home / 15,016,949.12-20,723,548.93-8,822,253.80

Finding the Fourth Proportional to 15,016,949.12, 20,723,548.93 and 8,822,253.80

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Solution

The fourth proportional to 15,016,949.12, 20,723,548.93 and 8,822,253.80 is: 12,174,803.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016,949.12 : 20,723,548.93 = 8,822,253.80 : x
  2. Step 2: Convert to fraction form
    15,016,949.12/20,723,548.93 = 8,822,253.80/x
  3. Step 3: Cross multiply
    15,016,949.12x = 20,723,548.93 × 8,822,253.80
  4. Step 4: Simplify right side
    15,016,949.12x = 182,828,408,297,178.44
  5. Step 5: Solve for x
    x = 182,828,408,297,178.44/15,016,949.12
  6. Step 6: Final answer
    x = 12,174,803.74

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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.