Home / 30,377,154.08-41,915,963.09-18,449,760.88

Finding the Fourth Proportional to 30,377,154.08, 41,915,963.09 and 18,449,760.88

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Solution

The fourth proportional to 30,377,154.08, 41,915,963.09 and 18,449,760.88 is: 25,457,931.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,377,154.08 : 41,915,963.09 = 18,449,760.88 : x
  2. Step 2: Convert to fraction form
    30,377,154.08/41,915,963.09 = 18,449,760.88/x
  3. Step 3: Cross multiply
    30,377,154.08x = 41,915,963.09 × 18,449,760.88
  4. Step 4: Simplify right side
    30,377,154.08x = 773,339,496,065,406
  5. Step 5: Solve for x
    x = 773,339,496,065,406/30,377,154.08
  6. Step 6: Final answer
    x = 25,457,931.12

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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.