Home / 15,809,002.68-21,815,222.04-9,613,194.12

Finding the Fourth Proportional to 15,809,002.68, 21,815,222.04 and 9,613,194.12

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Solution

The fourth proportional to 15,809,002.68, 21,815,222.04 and 9,613,194.12 is: 13,265,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809,002.68 : 21,815,222.04 = 9,613,194.12 : x
  2. Step 2: Convert to fraction form
    15,809,002.68/21,815,222.04 = 9,613,194.12/x
  3. Step 3: Cross multiply
    15,809,002.68x = 21,815,222.04 × 9,613,194.12
  4. Step 4: Simplify right side
    15,809,002.68x = 209,713,964,241,422.38
  5. Step 5: Solve for x
    x = 209,713,964,241,422.38/15,809,002.68
  6. Step 6: Final answer
    x = 13,265,477.18

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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.