Home / 6,831,457.23-9,427,397.30-3,891,273.21

Finding the Fourth Proportional to 6,831,457.23, 9,427,397.30 and 3,891,273.21

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Solution

The fourth proportional to 6,831,457.23, 9,427,397.30 and 3,891,273.21 is: 5,369,949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831,457.23 : 9,427,397.30 = 3,891,273.21 : x
  2. Step 2: Convert to fraction form
    6,831,457.23/9,427,397.30 = 3,891,273.21/x
  3. Step 3: Cross multiply
    6,831,457.23x = 9,427,397.30 × 3,891,273.21
  4. Step 4: Simplify right side
    6,831,457.23x = 36,684,578,553,516.34
  5. Step 5: Solve for x
    x = 36,684,578,553,516.34/6,831,457.23
  6. Step 6: Final answer
    x = 5,369,949.24

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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.