Home / 8,507,132.20-11,738,980.74-5,243,424.04

Finding the Fourth Proportional to 8,507,132.20, 11,738,980.74 and 5,243,424.04

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Solution

The fourth proportional to 8,507,132.20, 11,738,980.74 and 5,243,424.04 is: 7,235,394.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507,132.20 : 11,738,980.74 = 5,243,424.04 : x
  2. Step 2: Convert to fraction form
    8,507,132.20/11,738,980.74 = 5,243,424.04/x
  3. Step 3: Cross multiply
    8,507,132.20x = 11,738,980.74 × 5,243,424.04
  4. Step 4: Simplify right side
    8,507,132.20x = 61,552,453,817,212.99
  5. Step 5: Solve for x
    x = 61,552,453,817,212.99/8,507,132.20
  6. Step 6: Final answer
    x = 7,235,394.06

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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.