Home / 18,684,094.13-28,022,909.45-8,446,573.08

Finding the Fourth Proportional to 18,684,094.13, 28,022,909.45 and 8,446,573.08

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Solution

The fourth proportional to 18,684,094.13, 28,022,909.45 and 8,446,573.08 is: 12,668,398.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,094.13 : 28,022,909.45 = 8,446,573.08 : x
  2. Step 2: Convert to fraction form
    18,684,094.13/28,022,909.45 = 8,446,573.08/x
  3. Step 3: Cross multiply
    18,684,094.13x = 28,022,909.45 × 8,446,573.08
  4. Step 4: Simplify right side
    18,684,094.13x = 236,697,552,541,414.75
  5. Step 5: Solve for x
    x = 236,697,552,541,414.75/18,684,094.13
  6. Step 6: Final answer
    x = 12,668,398.63

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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.