Home / 11,428,612.53-15,766,995.81-6,531,207.36

Finding the Fourth Proportional to 11,428,612.53, 15,766,995.81 and 6,531,207.36

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Solution

The fourth proportional to 11,428,612.53, 15,766,995.81 and 6,531,207.36 is: 9,010,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428,612.53 : 15,766,995.81 = 6,531,207.36 : x
  2. Step 2: Convert to fraction form
    11,428,612.53/15,766,995.81 = 6,531,207.36/x
  3. Step 3: Cross multiply
    11,428,612.53x = 15,766,995.81 × 6,531,207.36
  4. Step 4: Simplify right side
    11,428,612.53x = 102,977,519,079,361.17
  5. Step 5: Solve for x
    x = 102,977,519,079,361.17/11,428,612.53
  6. Step 6: Final answer
    x = 9,010,500.51

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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.