Home / 30,086,857.59-45,148,214.97-10,919,108.76

Finding the Fourth Proportional to 30,086,857.59, 45,148,214.97 and 10,919,108.76

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Solution

The fourth proportional to 30,086,857.59, 45,148,214.97 and 10,919,108.76 is: 16,385,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086,857.59 : 45,148,214.97 = 10,919,108.76 : x
  2. Step 2: Convert to fraction form
    30,086,857.59/45,148,214.97 = 10,919,108.76/x
  3. Step 3: Cross multiply
    30,086,857.59x = 45,148,214.97 × 10,919,108.76
  4. Step 4: Simplify right side
    30,086,857.59x = 492,978,269,577,290.12
  5. Step 5: Solve for x
    x = 492,978,269,577,290.12/30,086,857.59
  6. Step 6: Final answer
    x = 16,385,169.77

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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.