Home / 7,831,330.20-10,809,222.12-5,351,555.16

Finding the Fourth Proportional to 7,831,330.20, 10,809,222.12 and 5,351,555.16

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Solution

The fourth proportional to 7,831,330.20, 10,809,222.12 and 5,351,555.16 is: 7,386,503.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,330.20 : 10,809,222.12 = 5,351,555.16 : x
  2. Step 2: Convert to fraction form
    7,831,330.20/10,809,222.12 = 5,351,555.16/x
  3. Step 3: Cross multiply
    7,831,330.20x = 10,809,222.12 × 5,351,555.16
  4. Step 4: Simplify right side
    7,831,330.20x = 57,846,148,411,872.13
  5. Step 5: Solve for x
    x = 57,846,148,411,872.13/7,831,330.20
  6. Step 6: Final answer
    x = 7,386,503.56

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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.