Home / 13,338,747.14-18,407,483.18-7,227,175.64

Finding the Fourth Proportional to 13,338,747.14, 18,407,483.18 and 7,227,175.64

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Solution

The fourth proportional to 13,338,747.14, 18,407,483.18 and 7,227,175.64 is: 9,973,508.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,747.14 : 18,407,483.18 = 7,227,175.64 : x
  2. Step 2: Convert to fraction form
    13,338,747.14/18,407,483.18 = 7,227,175.64/x
  3. Step 3: Cross multiply
    13,338,747.14x = 18,407,483.18 × 7,227,175.64
  4. Step 4: Simplify right side
    13,338,747.14x = 133,034,113,904,032.44
  5. Step 5: Solve for x
    x = 133,034,113,904,032.44/13,338,747.14
  6. Step 6: Final answer
    x = 9,973,508.95

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1.5x scale

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.