Home / 19,358,072.43-26,719,781.21-12,653,379.05

Finding the Fourth Proportional to 19,358,072.43, 26,719,781.21 and 12,653,379.05

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Solution

The fourth proportional to 19,358,072.43, 26,719,781.21 and 12,653,379.05 is: 17,465,350.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358,072.43 : 26,719,781.21 = 12,653,379.05 : x
  2. Step 2: Convert to fraction form
    19,358,072.43/26,719,781.21 = 12,653,379.05/x
  3. Step 3: Cross multiply
    19,358,072.43x = 26,719,781.21 × 12,653,379.05
  4. Step 4: Simplify right side
    19,358,072.43x = 338,095,519,586,331.81
  5. Step 5: Solve for x
    x = 338,095,519,586,331.81/19,358,072.43
  6. Step 6: Final answer
    x = 17,465,350.48

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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.