Home / 10,221,114.96-15,338,490.54-5,301,680.58

Finding the Fourth Proportional to 10,221,114.96, 15,338,490.54 and 5,301,680.58

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Solution

The fourth proportional to 10,221,114.96, 15,338,490.54 and 5,301,680.58 is: 7,956,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221,114.96 : 15,338,490.54 = 5,301,680.58 : x
  2. Step 2: Convert to fraction form
    10,221,114.96/15,338,490.54 = 5,301,680.58/x
  3. Step 3: Cross multiply
    10,221,114.96x = 15,338,490.54 × 5,301,680.58
  4. Step 4: Simplify right side
    10,221,114.96x = 81,319,777,422,431.70
  5. Step 5: Solve for x
    x = 81,319,777,422,431.70/10,221,114.96
  6. Step 6: Final answer
    x = 7,956,057.41

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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.