Home / 13,995,328.56-21,057,028.20-8,319,801.12

Finding the Fourth Proportional to 13,995,328.56, 21,057,028.20 and 8,319,801.12

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Solution

The fourth proportional to 13,995,328.56, 21,057,028.20 and 8,319,801.12 is: 12,517,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995,328.56 : 21,057,028.20 = 8,319,801.12 : x
  2. Step 2: Convert to fraction form
    13,995,328.56/21,057,028.20 = 8,319,801.12/x
  3. Step 3: Cross multiply
    13,995,328.56x = 21,057,028.20 × 8,319,801.12
  4. Step 4: Simplify right side
    13,995,328.56x = 175,190,286,802,231.59
  5. Step 5: Solve for x
    x = 175,190,286,802,231.59/13,995,328.56
  6. Step 6: Final answer
    x = 12,517,768.77

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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.