Home / 19,516,842.78-26,933,401.31-10,815,160.56

Finding the Fourth Proportional to 19,516,842.78, 26,933,401.31 and 10,815,160.56

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Solution

The fourth proportional to 19,516,842.78, 26,933,401.31 and 10,815,160.56 is: 14,925,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516,842.78 : 26,933,401.31 = 10,815,160.56 : x
  2. Step 2: Convert to fraction form
    19,516,842.78/26,933,401.31 = 10,815,160.56/x
  3. Step 3: Cross multiply
    19,516,842.78x = 26,933,401.31 × 10,815,160.56
  4. Step 4: Simplify right side
    19,516,842.78x = 291,289,059,540,488.56
  5. Step 5: Solve for x
    x = 291,289,059,540,488.56/19,516,842.78
  6. Step 6: Final answer
    x = 14,925,009.28

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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.