Home / 28,107,502.20-42,121,887.30-22,360,066.20

Finding the Fourth Proportional to 28,107,502.20, 42,121,887.30 and 22,360,066.20

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Solution

The fourth proportional to 28,107,502.20, 42,121,887.30 and 22,360,066.20 is: 33,508,782.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107,502.20 : 42,121,887.30 = 22,360,066.20 : x
  2. Step 2: Convert to fraction form
    28,107,502.20/42,121,887.30 = 22,360,066.20/x
  3. Step 3: Cross multiply
    28,107,502.20x = 42,121,887.30 × 22,360,066.20
  4. Step 4: Simplify right side
    28,107,502.20x = 941,848,188,496,939.12
  5. Step 5: Solve for x
    x = 941,848,188,496,939.12/28,107,502.20
  6. Step 6: Final answer
    x = 33,508,782.88

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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.