Home / 30,310,158.52-45,493,981.52-18,760,689.64

Finding the Fourth Proportional to 30,310,158.52, 45,493,981.52 and 18,760,689.64

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Solution

The fourth proportional to 30,310,158.52, 45,493,981.52 and 18,760,689.64 is: 28,158,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,158.52 : 45,493,981.52 = 18,760,689.64 : x
  2. Step 2: Convert to fraction form
    30,310,158.52/45,493,981.52 = 18,760,689.64/x
  3. Step 3: Cross multiply
    30,310,158.52x = 45,493,981.52 × 18,760,689.64
  4. Step 4: Simplify right side
    30,310,158.52x = 853,498,467,682,606
  5. Step 5: Solve for x
    x = 853,498,467,682,606/30,310,158.52
  6. Step 6: Final answer
    x = 28,158,825.60

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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.