Home / 20,168,233.24-30,266,922.80-8,030,701.72

Finding the Fourth Proportional to 20,168,233.24, 30,266,922.80 and 8,030,701.72

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Solution

The fourth proportional to 20,168,233.24, 30,266,922.80 and 8,030,701.72 is: 12,051,855.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,168,233.24 : 30,266,922.80 = 8,030,701.72 : x
  2. Step 2: Convert to fraction form
    20,168,233.24/30,266,922.80 = 8,030,701.72/x
  3. Step 3: Cross multiply
    20,168,233.24x = 30,266,922.80 × 8,030,701.72
  4. Step 4: Simplify right side
    20,168,233.24x = 243,064,628,989,067.22
  5. Step 5: Solve for x
    x = 243,064,628,989,067.22/20,168,233.24
  6. Step 6: Final answer
    x = 12,051,855.32

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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.