Home / 9,839,131.40-13,578,338.98-5,708,850.68

Finding the Fourth Proportional to 9,839,131.40, 13,578,338.98 and 5,708,850.68

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Solution

The fourth proportional to 9,839,131.40, 13,578,338.98 and 5,708,850.68 is: 7,878,409.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839,131.40 : 13,578,338.98 = 5,708,850.68 : x
  2. Step 2: Convert to fraction form
    9,839,131.40/13,578,338.98 = 5,708,850.68/x
  3. Step 3: Cross multiply
    9,839,131.40x = 13,578,338.98 × 5,708,850.68
  4. Step 4: Simplify right side
    9,839,131.40x = 77,516,709,719,243.50
  5. Step 5: Solve for x
    x = 77,516,709,719,243.50/9,839,131.40
  6. Step 6: Final answer
    x = 7,878,409.85

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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.