Home / 7,658,913.60-11,476,560.60-6,643,270.80

Finding the Fourth Proportional to 7,658,913.60, 11,476,560.60 and 6,643,270.80

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Solution

The fourth proportional to 7,658,913.60, 11,476,560.60 and 6,643,270.80 is: 9,954,662.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658,913.60 : 11,476,560.60 = 6,643,270.80 : x
  2. Step 2: Convert to fraction form
    7,658,913.60/11,476,560.60 = 6,643,270.80/x
  3. Step 3: Cross multiply
    7,658,913.60x = 11,476,560.60 × 6,643,270.80
  4. Step 4: Simplify right side
    7,658,913.60x = 76,241,899,918,410.47
  5. Step 5: Solve for x
    x = 76,241,899,918,410.47/7,658,913.60
  6. Step 6: Final answer
    x = 9,954,662.49

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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.