Home / 10,329,765.04-15,504,355.32-5,409,328.48

Finding the Fourth Proportional to 10,329,765.04, 15,504,355.32 and 5,409,328.48

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Solution

The fourth proportional to 10,329,765.04, 15,504,355.32 and 5,409,328.48 is: 8,119,076.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329,765.04 : 15,504,355.32 = 5,409,328.48 : x
  2. Step 2: Convert to fraction form
    10,329,765.04/15,504,355.32 = 5,409,328.48/x
  3. Step 3: Cross multiply
    10,329,765.04x = 15,504,355.32 × 5,409,328.48
  4. Step 4: Simplify right side
    10,329,765.04x = 83,868,150,796,515.52
  5. Step 5: Solve for x
    x = 83,868,150,796,515.52/10,329,765.04
  6. Step 6: Final answer
    x = 8,119,076.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.