Home / 7,679,839.36-10,597,974.96-4,242,006.40

Finding the Fourth Proportional to 7,679,839.36, 10,597,974.96 and 4,242,006.40

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Solution

The fourth proportional to 7,679,839.36, 10,597,974.96 and 4,242,006.40 is: 5,853,856.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,839.36 : 10,597,974.96 = 4,242,006.40 : x
  2. Step 2: Convert to fraction form
    7,679,839.36/10,597,974.96 = 4,242,006.40/x
  3. Step 3: Cross multiply
    7,679,839.36x = 10,597,974.96 × 4,242,006.40
  4. Step 4: Simplify right side
    7,679,839.36x = 44,956,677,607,359.75
  5. Step 5: Solve for x
    x = 44,956,677,607,359.75/7,679,839.36
  6. Step 6: Final answer
    x = 5,853,856.51

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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.