Home / 7,007,924.82-9,668,671.74-3,909,945.90

Finding the Fourth Proportional to 7,007,924.82, 9,668,671.74 and 3,909,945.90

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Solution

The fourth proportional to 7,007,924.82, 9,668,671.74 and 3,909,945.90 is: 5,394,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007,924.82 : 9,668,671.74 = 3,909,945.90 : x
  2. Step 2: Convert to fraction form
    7,007,924.82/9,668,671.74 = 3,909,945.90/x
  3. Step 3: Cross multiply
    7,007,924.82x = 9,668,671.74 × 3,909,945.90
  4. Step 4: Simplify right side
    7,007,924.82x = 37,803,983,428,258.87
  5. Step 5: Solve for x
    x = 37,803,983,428,258.87/7,007,924.82
  6. Step 6: Final answer
    x = 5,394,461.90

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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.