Home / 30,602,975-42,228,894.72-17,367,937.24

Finding the Fourth Proportional to 30,602,975, 42,228,894.72 and 17,367,937.24

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Solution

The fourth proportional to 30,602,975, 42,228,894.72 and 17,367,937.24 is: 23,965,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602,975 : 42,228,894.72 = 17,367,937.24 : x
  2. Step 2: Convert to fraction form
    30,602,975/42,228,894.72 = 17,367,937.24/x
  3. Step 3: Cross multiply
    30,602,975x = 42,228,894.72 × 17,367,937.24
  4. Step 4: Simplify right side
    30,602,975x = 733,428,793,211,527.25
  5. Step 5: Solve for x
    x = 733,428,793,211,527.25/30,602,975
  6. Step 6: Final answer
    x = 23,965,931.19

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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.