Home / 9,486,965.28-13,091,918.40-5,135,936.64

Finding the Fourth Proportional to 9,486,965.28, 13,091,918.40 and 5,135,936.64

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Solution

The fourth proportional to 9,486,965.28, 13,091,918.40 and 5,135,936.64 is: 7,087,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486,965.28 : 13,091,918.40 = 5,135,936.64 : x
  2. Step 2: Convert to fraction form
    9,486,965.28/13,091,918.40 = 5,135,936.64/x
  3. Step 3: Cross multiply
    9,486,965.28x = 13,091,918.40 × 5,135,936.64
  4. Step 4: Simplify right side
    9,486,965.28x = 67,239,263,398,450.17
  5. Step 5: Solve for x
    x = 67,239,263,398,450.17/9,486,965.28
  6. Step 6: Final answer
    x = 7,087,541.84

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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.