Home / 12,580,536.81-18,843,144.48-10,396,812.78

Finding the Fourth Proportional to 12,580,536.81, 18,843,144.48 and 10,396,812.78

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Solution

The fourth proportional to 12,580,536.81, 18,843,144.48 and 10,396,812.78 is: 15,572,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580,536.81 : 18,843,144.48 = 10,396,812.78 : x
  2. Step 2: Convert to fraction form
    12,580,536.81/18,843,144.48 = 10,396,812.78/x
  3. Step 3: Cross multiply
    12,580,536.81x = 18,843,144.48 × 10,396,812.78
  4. Step 4: Simplify right side
    12,580,536.81x = 195,908,645,345,050.44
  5. Step 5: Solve for x
    x = 195,908,645,345,050.44/12,580,536.81
  6. Step 6: Final answer
    x = 15,572,359.77

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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.