Home / 20,168,231.24-30,266,919.80-8,030,699.72

Finding the Fourth Proportional to 20,168,231.24, 30,266,919.80 and 8,030,699.72

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Solution

The fourth proportional to 20,168,231.24, 30,266,919.80 and 8,030,699.72 is: 12,051,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,168,231.24 : 30,266,919.80 = 8,030,699.72 : x
  2. Step 2: Convert to fraction form
    20,168,231.24/30,266,919.80 = 8,030,699.72/x
  3. Step 3: Cross multiply
    20,168,231.24x = 30,266,919.80 × 8,030,699.72
  4. Step 4: Simplify right side
    20,168,231.24x = 243,064,544,363,122.47
  5. Step 5: Solve for x
    x = 243,064,544,363,122.47/20,168,231.24
  6. Step 6: Final answer
    x = 12,051,852.32

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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.