Home / 30,490,104.09-45,728,178.97-18,197,538.42

Finding the Fourth Proportional to 30,490,104.09, 45,728,178.97 and 18,197,538.42

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Solution

The fourth proportional to 30,490,104.09, 45,728,178.97 and 18,197,538.42 is: 27,292,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,490,104.09 : 45,728,178.97 = 18,197,538.42 : x
  2. Step 2: Convert to fraction form
    30,490,104.09/45,728,178.97 = 18,197,538.42/x
  3. Step 3: Cross multiply
    30,490,104.09x = 45,728,178.97 × 18,197,538.42
  4. Step 4: Simplify right side
    30,490,104.09x = 832,140,293,683,211.12
  5. Step 5: Solve for x
    x = 832,140,293,683,211.12/30,490,104.09
  6. Step 6: Final answer
    x = 27,292,143.42

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1.5x scale

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.