Home / 6,989,384.24-9,645,660.60-3,933,796.40

Finding the Fourth Proportional to 6,989,384.24, 9,645,660.60 and 3,933,796.40

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Solution

The fourth proportional to 6,989,384.24, 9,645,660.60 and 3,933,796.40 is: 5,428,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,384.24 : 9,645,660.60 = 3,933,796.40 : x
  2. Step 2: Convert to fraction form
    6,989,384.24/9,645,660.60 = 3,933,796.40/x
  3. Step 3: Cross multiply
    6,989,384.24x = 9,645,660.60 × 3,933,796.40
  4. Step 4: Simplify right side
    6,989,384.24x = 37,944,064,943,901.84
  5. Step 5: Solve for x
    x = 37,944,064,943,901.84/6,989,384.24
  6. Step 6: Final answer
    x = 5,428,813.70

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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.