Home / 7,130,238-9,839,744.64-4,074,444.96

Finding the Fourth Proportional to 7,130,238, 9,839,744.64 and 4,074,444.96

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Solution

The fourth proportional to 7,130,238, 9,839,744.64 and 4,074,444.96 is: 5,622,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,238 : 9,839,744.64 = 4,074,444.96 : x
  2. Step 2: Convert to fraction form
    7,130,238/9,839,744.64 = 4,074,444.96/x
  3. Step 3: Cross multiply
    7,130,238x = 9,839,744.64 × 4,074,444.96
  4. Step 4: Simplify right side
    7,130,238x = 40,091,497,956,135.02
  5. Step 5: Solve for x
    x = 40,091,497,956,135.02/7,130,238
  6. Step 6: Final answer
    x = 5,622,743.30

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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.