Home / 28,876,816.60-43,294,229.70-11,828,714.20

Finding the Fourth Proportional to 28,876,816.60, 43,294,229.70 and 11,828,714.20

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Solution

The fourth proportional to 28,876,816.60, 43,294,229.70 and 11,828,714.20 is: 17,734,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876,816.60 : 43,294,229.70 = 11,828,714.20 : x
  2. Step 2: Convert to fraction form
    28,876,816.60/43,294,229.70 = 11,828,714.20/x
  3. Step 3: Cross multiply
    28,876,816.60x = 43,294,229.70 × 11,828,714.20
  4. Step 4: Simplify right side
    28,876,816.60x = 512,115,069,630,451.75
  5. Step 5: Solve for x
    x = 512,115,069,630,451.75/28,876,816.60
  6. Step 6: Final answer
    x = 17,734,471.11

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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.