Home / 6,812,643.24-9,401,018.22-3,909,990.96

Finding the Fourth Proportional to 6,812,643.24, 9,401,018.22 and 3,909,990.96

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Solution

The fourth proportional to 6,812,643.24, 9,401,018.22 and 3,909,990.96 is: 5,395,541.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812,643.24 : 9,401,018.22 = 3,909,990.96 : x
  2. Step 2: Convert to fraction form
    6,812,643.24/9,401,018.22 = 3,909,990.96/x
  3. Step 3: Cross multiply
    6,812,643.24x = 9,401,018.22 × 3,909,990.96
  4. Step 4: Simplify right side
    6,812,643.24x = 36,757,896,254,995.30
  5. Step 5: Solve for x
    x = 36,757,896,254,995.30/6,812,643.24
  6. Step 6: Final answer
    x = 5,395,541.05

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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.