Home / 8,072,401.40-11,139,859.02-4,450,729.40

Finding the Fourth Proportional to 8,072,401.40, 11,139,859.02 and 4,450,729.40

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Solution

The fourth proportional to 8,072,401.40, 11,139,859.02 and 4,450,729.40 is: 6,141,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072,401.40 : 11,139,859.02 = 4,450,729.40 : x
  2. Step 2: Convert to fraction form
    8,072,401.40/11,139,859.02 = 4,450,729.40/x
  3. Step 3: Cross multiply
    8,072,401.40x = 11,139,859.02 × 4,450,729.40
  4. Step 4: Simplify right side
    8,072,401.40x = 49,580,498,052,169.19
  5. Step 5: Solve for x
    x = 49,580,498,052,169.19/8,072,401.40
  6. Step 6: Final answer
    x = 6,141,976.30

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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.