Home / 20,224,900.16-27,910,362.48-11,057,543.12

Finding the Fourth Proportional to 20,224,900.16, 27,910,362.48 and 11,057,543.12

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Solution

The fourth proportional to 20,224,900.16, 27,910,362.48 and 11,057,543.12 is: 15,259,409.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224,900.16 : 27,910,362.48 = 11,057,543.12 : x
  2. Step 2: Convert to fraction form
    20,224,900.16/27,910,362.48 = 11,057,543.12/x
  3. Step 3: Cross multiply
    20,224,900.16x = 27,910,362.48 × 11,057,543.12
  4. Step 4: Simplify right side
    20,224,900.16x = 308,620,036,617,430.12
  5. Step 5: Solve for x
    x = 308,620,036,617,430.12/20,224,900.16
  6. Step 6: Final answer
    x = 15,259,409.65

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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.