Home / 18,940,582.40-28,378,214.40-8,822,451.20

Finding the Fourth Proportional to 18,940,582.40, 28,378,214.40 and 8,822,451.20

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Solution

The fourth proportional to 18,940,582.40, 28,378,214.40 and 8,822,451.20 is: 13,218,464.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940,582.40 : 28,378,214.40 = 8,822,451.20 : x
  2. Step 2: Convert to fraction form
    18,940,582.40/28,378,214.40 = 8,822,451.20/x
  3. Step 3: Cross multiply
    18,940,582.40x = 28,378,214.40 × 8,822,451.20
  4. Step 4: Simplify right side
    18,940,582.40x = 250,365,411,687,137.25
  5. Step 5: Solve for x
    x = 250,365,411,687,137.25/18,940,582.40
  6. Step 6: Final answer
    x = 13,218,464.27

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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.