Home / 9,005,825.43-12,428,021.25-4,875,855.45

Finding the Fourth Proportional to 9,005,825.43, 12,428,021.25 and 4,875,855.45

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Solution

The fourth proportional to 9,005,825.43, 12,428,021.25 and 4,875,855.45 is: 6,728,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005,825.43 : 12,428,021.25 = 4,875,855.45 : x
  2. Step 2: Convert to fraction form
    9,005,825.43/12,428,021.25 = 4,875,855.45/x
  3. Step 3: Cross multiply
    9,005,825.43x = 12,428,021.25 × 4,875,855.45
  4. Step 4: Simplify right side
    9,005,825.43x = 60,597,235,058,008.93
  5. Step 5: Solve for x
    x = 60,597,235,058,008.93/9,005,825.43
  6. Step 6: Final answer
    x = 6,728,670.85

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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.