Home / 18,894,646.71-28,346,467.32-6,115,151.43

Finding the Fourth Proportional to 18,894,646.71, 28,346,467.32 and 6,115,151.43

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Solution

The fourth proportional to 18,894,646.71, 28,346,467.32 and 6,115,151.43 is: 9,174,182.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894,646.71 : 28,346,467.32 = 6,115,151.43 : x
  2. Step 2: Convert to fraction form
    18,894,646.71/28,346,467.32 = 6,115,151.43/x
  3. Step 3: Cross multiply
    18,894,646.71x = 28,346,467.32 × 6,115,151.43
  4. Step 4: Simplify right side
    18,894,646.71x = 173,342,940,167,346.25
  5. Step 5: Solve for x
    x = 173,342,940,167,346.25/18,894,646.71
  6. Step 6: Final answer
    x = 9,174,182.66

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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.