Home / 8,507,132.70-11,738,981.43-5,243,424.54

Finding the Fourth Proportional to 8,507,132.70, 11,738,981.43 and 5,243,424.54

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Solution

The fourth proportional to 8,507,132.70, 11,738,981.43 and 5,243,424.54 is: 7,235,394.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507,132.70 : 11,738,981.43 = 5,243,424.54 : x
  2. Step 2: Convert to fraction form
    8,507,132.70/11,738,981.43 = 5,243,424.54/x
  3. Step 3: Cross multiply
    8,507,132.70x = 11,738,981.43 × 5,243,424.54
  4. Step 4: Simplify right side
    8,507,132.70x = 61,552,463,304,666.29
  5. Step 5: Solve for x
    x = 61,552,463,304,666.29/8,507,132.70
  6. Step 6: Final answer
    x = 7,235,394.75

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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.