Home / 9,152,682.57-12,688,568.89-8,667,343.53

Finding the Fourth Proportional to 9,152,682.57, 12,688,568.89 and 8,667,343.53

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Solution

The fourth proportional to 9,152,682.57, 12,688,568.89 and 8,667,343.53 is: 12,015,732.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152,682.57 : 12,688,568.89 = 8,667,343.53 : x
  2. Step 2: Convert to fraction form
    9,152,682.57/12,688,568.89 = 8,667,343.53/x
  3. Step 3: Cross multiply
    9,152,682.57x = 12,688,568.89 × 8,667,343.53
  4. Step 4: Simplify right side
    9,152,682.57x = 109,976,185,452,032.41
  5. Step 5: Solve for x
    x = 109,976,185,452,032.41/9,152,682.57
  6. Step 6: Final answer
    x = 12,015,732.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.