Home / 6,713,843.28-10,070,755.70-3,117,643.71

Finding the Fourth Proportional to 6,713,843.28, 10,070,755.70 and 3,117,643.71

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Solution

The fourth proportional to 6,713,843.28, 10,070,755.70 and 3,117,643.71 is: 4,676,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,713,843.28 : 10,070,755.70 = 3,117,643.71 : x
  2. Step 2: Convert to fraction form
    6,713,843.28/10,070,755.70 = 3,117,643.71/x
  3. Step 3: Cross multiply
    6,713,843.28x = 10,070,755.70 × 3,117,643.71
  4. Step 4: Simplify right side
    6,713,843.28x = 31,397,028,147,463.43
  5. Step 5: Solve for x
    x = 31,397,028,147,463.43/6,713,843.28
  6. Step 6: Final answer
    x = 4,676,461.28

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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.