Home / 8,375,681.70-12,563,522.55-5,505,900.30

Finding the Fourth Proportional to 8,375,681.70, 12,563,522.55 and 5,505,900.30

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Solution

The fourth proportional to 8,375,681.70, 12,563,522.55 and 5,505,900.30 is: 8,258,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375,681.70 : 12,563,522.55 = 5,505,900.30 : x
  2. Step 2: Convert to fraction form
    8,375,681.70/12,563,522.55 = 5,505,900.30/x
  3. Step 3: Cross multiply
    8,375,681.70x = 12,563,522.55 × 5,505,900.30
  4. Step 4: Simplify right side
    8,375,681.70x = 69,173,502,577,101.77
  5. Step 5: Solve for x
    x = 69,173,502,577,101.77/8,375,681.70
  6. Step 6: Final answer
    x = 8,258,850.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.