Home / 30,278,972.78-41,784,449.30-17,225,953.49

Finding the Fourth Proportional to 30,278,972.78, 41,784,449.30 and 17,225,953.49

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Solution

The fourth proportional to 30,278,972.78, 41,784,449.30 and 17,225,953.49 is: 23,771,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,278,972.78 : 41,784,449.30 = 17,225,953.49 : x
  2. Step 2: Convert to fraction form
    30,278,972.78/41,784,449.30 = 17,225,953.49/x
  3. Step 3: Cross multiply
    30,278,972.78x = 41,784,449.30 × 17,225,953.49
  4. Step 4: Simplify right side
    30,278,972.78x = 719,776,980,329,991.75
  5. Step 5: Solve for x
    x = 719,776,980,329,991.75/30,278,972.78
  6. Step 6: Final answer
    x = 23,771,512.51

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1.5x scale

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.