Home / 18,996,779.79-26,215,578.81-10,294,952.40

Finding the Fourth Proportional to 18,996,779.79, 26,215,578.81 and 10,294,952.40

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Solution

The fourth proportional to 18,996,779.79, 26,215,578.81 and 10,294,952.40 is: 14,207,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,996,779.79 : 26,215,578.81 = 10,294,952.40 : x
  2. Step 2: Convert to fraction form
    18,996,779.79/26,215,578.81 = 10,294,952.40/x
  3. Step 3: Cross multiply
    18,996,779.79x = 26,215,578.81 × 10,294,952.40
  4. Step 4: Simplify right side
    18,996,779.79x = 269,888,135,987,398.62
  5. Step 5: Solve for x
    x = 269,888,135,987,398.62/18,996,779.79
  6. Step 6: Final answer
    x = 14,207,046.61

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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.