Home / 9,980,575.92-13,773,178.44-5,629,648.68

Finding the Fourth Proportional to 9,980,575.92, 13,773,178.44 and 5,629,648.68

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Solution

The fourth proportional to 9,980,575.92, 13,773,178.44 and 5,629,648.68 is: 7,768,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980,575.92 : 13,773,178.44 = 5,629,648.68 : x
  2. Step 2: Convert to fraction form
    9,980,575.92/13,773,178.44 = 5,629,648.68/x
  3. Step 3: Cross multiply
    9,980,575.92x = 13,773,178.44 × 5,629,648.68
  4. Step 4: Simplify right side
    9,980,575.92x = 77,538,155,824,150.45
  5. Step 5: Solve for x
    x = 77,538,155,824,150.45/9,980,575.92
  6. Step 6: Final answer
    x = 7,768,905.97

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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.