Home / 15,765,970.80-21,757,071.60-8,522,626.80

Finding the Fourth Proportional to 15,765,970.80, 21,757,071.60 and 8,522,626.80

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Solution

The fourth proportional to 15,765,970.80, 21,757,071.60 and 8,522,626.80 is: 11,761,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765,970.80 : 21,757,071.60 = 8,522,626.80 : x
  2. Step 2: Convert to fraction form
    15,765,970.80/21,757,071.60 = 8,522,626.80/x
  3. Step 3: Cross multiply
    15,765,970.80x = 21,757,071.60 × 8,522,626.80
  4. Step 4: Simplify right side
    15,765,970.80x = 185,427,401,507,678.91
  5. Step 5: Solve for x
    x = 185,427,401,507,678.91/15,765,970.80
  6. Step 6: Final answer
    x = 11,761,242.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.