Home / 28,082,822.20-42,124,233.30-6,807,686.20

Finding the Fourth Proportional to 28,082,822.20, 42,124,233.30 and 6,807,686.20

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Solution

The fourth proportional to 28,082,822.20, 42,124,233.30 and 6,807,686.20 is: 10,211,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,822.20 : 42,124,233.30 = 6,807,686.20 : x
  2. Step 2: Convert to fraction form
    28,082,822.20/42,124,233.30 = 6,807,686.20/x
  3. Step 3: Cross multiply
    28,082,822.20x = 42,124,233.30 × 6,807,686.20
  4. Step 4: Simplify right side
    28,082,822.20x = 286,768,561,721,990.44
  5. Step 5: Solve for x
    x = 286,768,561,721,990.44/28,082,822.20
  6. Step 6: Final answer
    x = 10,211,529.30

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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.