Home / 7,152,607.86-9,870,716.07-3,889,487.22

Finding the Fourth Proportional to 7,152,607.86, 9,870,716.07 and 3,889,487.22

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Solution

The fourth proportional to 7,152,607.86, 9,870,716.07 and 3,889,487.22 is: 5,367,556.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,607.86 : 9,870,716.07 = 3,889,487.22 : x
  2. Step 2: Convert to fraction form
    7,152,607.86/9,870,716.07 = 3,889,487.22/x
  3. Step 3: Cross multiply
    7,152,607.86x = 9,870,716.07 × 3,889,487.22
  4. Step 4: Simplify right side
    7,152,607.86x = 38,392,024,006,513.62
  5. Step 5: Solve for x
    x = 38,392,024,006,513.62/7,152,607.86
  6. Step 6: Final answer
    x = 5,367,556.11

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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.