Home / 13,547,575.69-18,693,242.66-7,667,182.24

Finding the Fourth Proportional to 13,547,575.69, 18,693,242.66 and 7,667,182.24

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Solution

The fourth proportional to 13,547,575.69, 18,693,242.66 and 7,667,182.24 is: 10,579,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547,575.69 : 18,693,242.66 = 7,667,182.24 : x
  2. Step 2: Convert to fraction form
    13,547,575.69/18,693,242.66 = 7,667,182.24/x
  3. Step 3: Cross multiply
    13,547,575.69x = 18,693,242.66 × 7,667,182.24
  4. Step 4: Simplify right side
    13,547,575.69x = 143,324,498,103,197.22
  5. Step 5: Solve for x
    x = 143,324,498,103,197.22/13,547,575.69
  6. Step 6: Final answer
    x = 10,579,346.55

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Double scale
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Similar ratio
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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.