Home / 15,401,077.70-21,253,644.70-8,525,412.14

Finding the Fourth Proportional to 15,401,077.70, 21,253,644.70 and 8,525,412.14

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Solution

The fourth proportional to 15,401,077.70, 21,253,644.70 and 8,525,412.14 is: 11,765,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,077.70 : 21,253,644.70 = 8,525,412.14 : x
  2. Step 2: Convert to fraction form
    15,401,077.70/21,253,644.70 = 8,525,412.14/x
  3. Step 3: Cross multiply
    15,401,077.70x = 21,253,644.70 × 8,525,412.14
  4. Step 4: Simplify right side
    15,401,077.70x = 181,196,080,544,626.66
  5. Step 5: Solve for x
    x = 181,196,080,544,626.66/15,401,077.70
  6. Step 6: Final answer
    x = 11,765,155.92

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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.