Home / 7,303,500.78-10,079,127.84-4,040,259.30

Finding the Fourth Proportional to 7,303,500.78, 10,079,127.84 and 4,040,259.30

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Solution

The fourth proportional to 7,303,500.78, 10,079,127.84 and 4,040,259.30 is: 5,575,722.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,303,500.78 : 10,079,127.84 = 4,040,259.30 : x
  2. Step 2: Convert to fraction form
    7,303,500.78/10,079,127.84 = 4,040,259.30/x
  3. Step 3: Cross multiply
    7,303,500.78x = 10,079,127.84 × 4,040,259.30
  4. Step 4: Simplify right side
    7,303,500.78x = 40,722,289,991,448.91
  5. Step 5: Solve for x
    x = 40,722,289,991,448.91/7,303,500.78
  6. Step 6: Final answer
    x = 5,575,722.00

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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.