Home / 7,179,617.60-10,775,301.60-7,123,630.40

Finding the Fourth Proportional to 7,179,617.60, 10,775,301.60 and 7,123,630.40

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Solution

The fourth proportional to 7,179,617.60, 10,775,301.60 and 7,123,630.40 is: 10,691,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,617.60 : 10,775,301.60 = 7,123,630.40 : x
  2. Step 2: Convert to fraction form
    7,179,617.60/10,775,301.60 = 7,123,630.40/x
  3. Step 3: Cross multiply
    7,179,617.60x = 10,775,301.60 × 7,123,630.40
  4. Step 4: Simplify right side
    7,179,617.60x = 76,759,266,046,928.64
  5. Step 5: Solve for x
    x = 76,759,266,046,928.64/7,179,617.60
  6. Step 6: Final answer
    x = 10,691,274.98

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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.