Home / 7,718,309.60-10,653,202.83-5,241,720.71

Finding the Fourth Proportional to 7,718,309.60, 10,653,202.83 and 5,241,720.71

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Solution

The fourth proportional to 7,718,309.60, 10,653,202.83 and 5,241,720.71 is: 7,234,889.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718,309.60 : 10,653,202.83 = 5,241,720.71 : x
  2. Step 2: Convert to fraction form
    7,718,309.60/10,653,202.83 = 5,241,720.71/x
  3. Step 3: Cross multiply
    7,718,309.60x = 10,653,202.83 × 5,241,720.71
  4. Step 4: Simplify right side
    7,718,309.60x = 55,841,113,901,841.61
  5. Step 5: Solve for x
    x = 55,841,113,901,841.61/7,718,309.60
  6. Step 6: Final answer
    x = 7,234,889.09

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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.