Home / 10,622,676.60-15,913,019.70-5,821,774.20

Finding the Fourth Proportional to 10,622,676.60, 15,913,019.70 and 5,821,774.20

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Solution

The fourth proportional to 10,622,676.60, 15,913,019.70 and 5,821,774.20 is: 8,721,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622,676.60 : 15,913,019.70 = 5,821,774.20 : x
  2. Step 2: Convert to fraction form
    10,622,676.60/15,913,019.70 = 5,821,774.20/x
  3. Step 3: Cross multiply
    10,622,676.60x = 15,913,019.70 × 5,821,774.20
  4. Step 4: Simplify right side
    10,622,676.60x = 92,642,007,533,551.73
  5. Step 5: Solve for x
    x = 92,642,007,533,551.73/10,622,676.60
  6. Step 6: Final answer
    x = 8,721,154.85

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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.