Home / 7,472,940.29-11,168,465.16-5,455,432.61

Finding the Fourth Proportional to 7,472,940.29, 11,168,465.16 and 5,455,432.61

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Solution

The fourth proportional to 7,472,940.29, 11,168,465.16 and 5,455,432.61 is: 8,153,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472,940.29 : 11,168,465.16 = 5,455,432.61 : x
  2. Step 2: Convert to fraction form
    7,472,940.29/11,168,465.16 = 5,455,432.61/x
  3. Step 3: Cross multiply
    7,472,940.29x = 11,168,465.16 × 5,455,432.61
  4. Step 4: Simplify right side
    7,472,940.29x = 60,928,808,981,670.55
  5. Step 5: Solve for x
    x = 60,928,808,981,670.55/7,472,940.29
  6. Step 6: Final answer
    x = 8,153,257.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.