Home / 30,613,313.25-45,903,030.19-12,150,554.69

Finding the Fourth Proportional to 30,613,313.25, 45,903,030.19 and 12,150,554.69

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Solution

The fourth proportional to 30,613,313.25, 45,903,030.19 and 12,150,554.69 is: 18,219,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,613,313.25 : 45,903,030.19 = 12,150,554.69 : x
  2. Step 2: Convert to fraction form
    30,613,313.25/45,903,030.19 = 12,150,554.69/x
  3. Step 3: Cross multiply
    30,613,313.25x = 45,903,030.19 × 12,150,554.69
  4. Step 4: Simplify right side
    30,613,313.25x = 557,747,278,844,697.31
  5. Step 5: Solve for x
    x = 557,747,278,844,697.31/30,613,313.25
  6. Step 6: Final answer
    x = 18,219,108.60

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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.