Home / 13,515,646.16-18,636,641.16-8,613,097.04

Finding the Fourth Proportional to 13,515,646.16, 18,636,641.16 and 8,613,097.04

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Solution

The fourth proportional to 13,515,646.16, 18,636,641.16 and 8,613,097.04 is: 11,876,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515,646.16 : 18,636,641.16 = 8,613,097.04 : x
  2. Step 2: Convert to fraction form
    13,515,646.16/18,636,641.16 = 8,613,097.04/x
  3. Step 3: Cross multiply
    13,515,646.16x = 18,636,641.16 × 8,613,097.04
  4. Step 4: Simplify right side
    13,515,646.16x = 160,519,198,810,738.16
  5. Step 5: Solve for x
    x = 160,519,198,810,738.16/13,515,646.16
  6. Step 6: Final answer
    x = 11,876,546.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.