Home / 9,912,784.68-13,679,878.68-5,562,192.78

Finding the Fourth Proportional to 9,912,784.68, 13,679,878.68 and 5,562,192.78

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Solution

The fourth proportional to 9,912,784.68, 13,679,878.68 and 5,562,192.78 is: 7,675,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912,784.68 : 13,679,878.68 = 5,562,192.78 : x
  2. Step 2: Convert to fraction form
    9,912,784.68/13,679,878.68 = 5,562,192.78/x
  3. Step 3: Cross multiply
    9,912,784.68x = 13,679,878.68 × 5,562,192.78
  4. Step 4: Simplify right side
    9,912,784.68x = 76,090,122,425,171.94
  5. Step 5: Solve for x
    x = 76,090,122,425,171.94/9,912,784.68
  6. Step 6: Final answer
    x = 7,675,958.36

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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.