Home / 8,558,568.81-11,812,035.87-5,296,434.21

Finding the Fourth Proportional to 8,558,568.81, 11,812,035.87 and 5,296,434.21

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Solution

The fourth proportional to 8,558,568.81, 11,812,035.87 and 5,296,434.21 is: 7,309,828.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558,568.81 : 11,812,035.87 = 5,296,434.21 : x
  2. Step 2: Convert to fraction form
    8,558,568.81/11,812,035.87 = 5,296,434.21/x
  3. Step 3: Cross multiply
    8,558,568.81x = 11,812,035.87 × 5,296,434.21
  4. Step 4: Simplify right side
    8,558,568.81x = 62,561,670,871,615.11
  5. Step 5: Solve for x
    x = 62,561,670,871,615.11/8,558,568.81
  6. Step 6: Final answer
    x = 7,309,828.58

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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.