Home / 9,005,823.84-12,428,019.06-4,875,853.86

Finding the Fourth Proportional to 9,005,823.84, 12,428,019.06 and 4,875,853.86

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Solution

The fourth proportional to 9,005,823.84, 12,428,019.06 and 4,875,853.86 is: 6,728,668.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005,823.84 : 12,428,019.06 = 4,875,853.86 : x
  2. Step 2: Convert to fraction form
    9,005,823.84/12,428,019.06 = 4,875,853.86/x
  3. Step 3: Cross multiply
    9,005,823.84x = 12,428,019.06 × 4,875,853.86
  4. Step 4: Simplify right side
    9,005,823.84x = 60,597,204,687,570.12
  5. Step 5: Solve for x
    x = 60,597,204,687,570.12/9,005,823.84
  6. Step 6: Final answer
    x = 6,728,668.66

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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.