Home / 7,148,844.62-9,870,156.36-5,492,041

Finding the Fourth Proportional to 7,148,844.62, 9,870,156.36 and 5,492,041

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Solution

The fourth proportional to 7,148,844.62, 9,870,156.36 and 5,492,041 is: 7,582,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,844.62 : 9,870,156.36 = 5,492,041 : x
  2. Step 2: Convert to fraction form
    7,148,844.62/9,870,156.36 = 5,492,041/x
  3. Step 3: Cross multiply
    7,148,844.62x = 9,870,156.36 × 5,492,041
  4. Step 4: Simplify right side
    7,148,844.62x = 54,207,303,405,530.76
  5. Step 5: Solve for x
    x = 54,207,303,405,530.76/7,148,844.62
  6. Step 6: Final answer
    x = 7,582,666.33

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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.