Home / 7,152,388.88-9,870,347.99-3,889,180.22

Finding the Fourth Proportional to 7,152,388.88, 9,870,347.99 and 3,889,180.22

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Solution

The fourth proportional to 7,152,388.88, 9,870,347.99 and 3,889,180.22 is: 5,367,096.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,388.88 : 9,870,347.99 = 3,889,180.22 : x
  2. Step 2: Convert to fraction form
    7,152,388.88/9,870,347.99 = 3,889,180.22/x
  3. Step 3: Cross multiply
    7,152,388.88x = 9,870,347.99 × 3,889,180.22
  4. Step 4: Simplify right side
    7,152,388.88x = 38,387,562,167,224.76
  5. Step 5: Solve for x
    x = 38,387,562,167,224.76/7,152,388.88
  6. Step 6: Final answer
    x = 5,367,096.62

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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.