Home / 28,082,844.40-42,128,932.20-11,044,073.20

Finding the Fourth Proportional to 28,082,844.40, 42,128,932.20 and 11,044,073.20

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Solution

The fourth proportional to 28,082,844.40, 42,128,932.20 and 11,044,073.20 is: 16,567,944.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,844.40 : 42,128,932.20 = 11,044,073.20 : x
  2. Step 2: Convert to fraction form
    28,082,844.40/42,128,932.20 = 11,044,073.20/x
  3. Step 3: Cross multiply
    28,082,844.40x = 42,128,932.20 × 11,044,073.20
  4. Step 4: Simplify right side
    28,082,844.40x = 465,275,011,054,637.06
  5. Step 5: Solve for x
    x = 465,275,011,054,637.06/28,082,844.40
  6. Step 6: Final answer
    x = 16,567,944.63

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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.