Home / 7,932,142.85-10,942,328.00-5,180,441.00

Finding the Fourth Proportional to 7,932,142.85, 10,942,328.00 and 5,180,441.00

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Solution

The fourth proportional to 7,932,142.85, 10,942,328.00 and 5,180,441.00 is: 7,146,377.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932,142.85 : 10,942,328.00 = 5,180,441.00 : x
  2. Step 2: Convert to fraction form
    7,932,142.85/10,942,328.00 = 5,180,441.00/x
  3. Step 3: Cross multiply
    7,932,142.85x = 10,942,328.00 × 5,180,441.00
  4. Step 4: Simplify right side
    7,932,142.85x = 56,686,084,621,052.73
  5. Step 5: Solve for x
    x = 56,686,084,621,052.73/7,932,142.85
  6. Step 6: Final answer
    x = 7,146,377.17

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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.