Home / 7,149,091.68-9,870,497.30-5,492,288.16

Finding the Fourth Proportional to 7,149,091.68, 9,870,497.30 and 5,492,288.16

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Solution

The fourth proportional to 7,149,091.68, 9,870,497.30 and 5,492,288.16 is: 7,583,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,091.68 : 9,870,497.30 = 5,492,288.16 : x
  2. Step 2: Convert to fraction form
    7,149,091.68/9,870,497.30 = 5,492,288.16/x
  3. Step 3: Cross multiply
    7,149,091.68x = 9,870,497.30 × 5,492,288.16
  4. Step 4: Simplify right side
    7,149,091.68x = 54,211,615,454,101.98
  5. Step 5: Solve for x
    x = 54,211,615,454,101.98/7,149,091.68
  6. Step 6: Final answer
    x = 7,583,007.45

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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.