Home / 30,847,456.32-42,544,668.03-27,118,313.88

Finding the Fourth Proportional to 30,847,456.32, 42,544,668.03 and 27,118,313.88

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Solution

The fourth proportional to 30,847,456.32, 42,544,668.03 and 27,118,313.88 is: 37,401,452.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,847,456.32 : 42,544,668.03 = 27,118,313.88 : x
  2. Step 2: Convert to fraction form
    30,847,456.32/42,544,668.03 = 27,118,313.88/x
  3. Step 3: Cross multiply
    30,847,456.32x = 42,544,668.03 × 27,118,313.88
  4. Step 4: Simplify right side
    30,847,456.32x = 1,153,739,661,557,941.25
  5. Step 5: Solve for x
    x = 1,153,739,661,557,941.25/30,847,456.32
  6. Step 6: Final answer
    x = 37,401,452.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.