Home / 19,178,894.43-26,473,181.67-15,265,828.40

Finding the Fourth Proportional to 19,178,894.43, 26,473,181.67 and 15,265,828.40

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Solution

The fourth proportional to 19,178,894.43, 26,473,181.67 and 15,265,828.40 is: 21,071,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178,894.43 : 26,473,181.67 = 15,265,828.40 : x
  2. Step 2: Convert to fraction form
    19,178,894.43/26,473,181.67 = 15,265,828.40/x
  3. Step 3: Cross multiply
    19,178,894.43x = 26,473,181.67 × 15,265,828.40
  4. Step 4: Simplify right side
    19,178,894.43x = 404,135,048,443,879.56
  5. Step 5: Solve for x
    x = 404,135,048,443,879.56/19,178,894.43
  6. Step 6: Final answer
    x = 21,071,863.65

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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.