Home / 9,198,890.61-12,693,601.68-5,426,364.75

Finding the Fourth Proportional to 9,198,890.61, 12,693,601.68 and 5,426,364.75

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Solution

The fourth proportional to 9,198,890.61, 12,693,601.68 and 5,426,364.75 is: 7,487,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198,890.61 : 12,693,601.68 = 5,426,364.75 : x
  2. Step 2: Convert to fraction form
    9,198,890.61/12,693,601.68 = 5,426,364.75/x
  3. Step 3: Cross multiply
    9,198,890.61x = 12,693,601.68 × 5,426,364.75
  4. Step 4: Simplify right side
    9,198,890.61x = 68,880,112,740,523.20
  5. Step 5: Solve for x
    x = 68,880,112,740,523.20/9,198,890.61
  6. Step 6: Final answer
    x = 7,487,871.71

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1.5x scale

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.