Home / 30,138,927.06-45,204,132.11-9,665,985.94

Finding the Fourth Proportional to 30,138,927.06, 45,204,132.11 and 9,665,985.94

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Solution

The fourth proportional to 30,138,927.06, 45,204,132.11 and 9,665,985.94 is: 14,497,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,138,927.06 : 45,204,132.11 = 9,665,985.94 : x
  2. Step 2: Convert to fraction form
    30,138,927.06/45,204,132.11 = 9,665,985.94/x
  3. Step 3: Cross multiply
    30,138,927.06x = 45,204,132.11 × 9,665,985.94
  4. Step 4: Simplify right side
    30,138,927.06x = 436,942,505,405,162.50
  5. Step 5: Solve for x
    x = 436,942,505,405,162.50/30,138,927.06
  6. Step 6: Final answer
    x = 14,497,613.15

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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.