Home / 7,148,843.62-9,870,154.98-5,492,040

Finding the Fourth Proportional to 7,148,843.62, 9,870,154.98 and 5,492,040

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Solution

The fourth proportional to 7,148,843.62, 9,870,154.98 and 5,492,040 is: 7,582,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,843.62 : 9,870,154.98 = 5,492,040 : x
  2. Step 2: Convert to fraction form
    7,148,843.62/9,870,154.98 = 5,492,040/x
  3. Step 3: Cross multiply
    7,148,843.62x = 9,870,154.98 × 5,492,040
  4. Step 4: Simplify right side
    7,148,843.62x = 54,207,285,956,359.20
  5. Step 5: Solve for x
    x = 54,207,285,956,359.20/7,148,843.62
  6. Step 6: Final answer
    x = 7,582,664.95

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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.