Home / 10,937,629.20-16,409,948.68-7,658,399.50

Finding the Fourth Proportional to 10,937,629.20, 16,409,948.68 and 7,658,399.50

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Solution

The fourth proportional to 10,937,629.20, 16,409,948.68 and 7,658,399.50 is: 11,490,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937,629.20 : 16,409,948.68 = 7,658,399.50 : x
  2. Step 2: Convert to fraction form
    10,937,629.20/16,409,948.68 = 7,658,399.50/x
  3. Step 3: Cross multiply
    10,937,629.20x = 16,409,948.68 × 7,658,399.50
  4. Step 4: Simplify right side
    10,937,629.20x = 125,673,942,765,937.66
  5. Step 5: Solve for x
    x = 125,673,942,765,937.66/10,937,629.20
  6. Step 6: Final answer
    x = 11,490,053.33

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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.