Home / 30,138,927.56-45,204,132.86-9,665,986.44

Finding the Fourth Proportional to 30,138,927.56, 45,204,132.86 and 9,665,986.44

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Solution

The fourth proportional to 30,138,927.56, 45,204,132.86 and 9,665,986.44 is: 14,497,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,138,927.56 : 45,204,132.86 = 9,665,986.44 : x
  2. Step 2: Convert to fraction form
    30,138,927.56/45,204,132.86 = 9,665,986.44/x
  3. Step 3: Cross multiply
    30,138,927.56x = 45,204,132.86 × 9,665,986.44
  4. Step 4: Simplify right side
    30,138,927.56x = 436,942,535,256,718.38
  5. Step 5: Solve for x
    x = 436,942,535,256,718.38/30,138,927.56
  6. Step 6: Final answer
    x = 14,497,613.90

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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.