Home / 7,212,982.68-9,953,916.12-4,157,393.76

Finding the Fourth Proportional to 7,212,982.68, 9,953,916.12 and 4,157,393.76

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Solution

The fourth proportional to 7,212,982.68, 9,953,916.12 and 4,157,393.76 is: 5,737,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,982.68 : 9,953,916.12 = 4,157,393.76 : x
  2. Step 2: Convert to fraction form
    7,212,982.68/9,953,916.12 = 4,157,393.76/x
  3. Step 3: Cross multiply
    7,212,982.68x = 9,953,916.12 × 4,157,393.76
  4. Step 4: Simplify right side
    7,212,982.68x = 41,382,348,764,851.41
  5. Step 5: Solve for x
    x = 41,382,348,764,851.41/7,212,982.68
  6. Step 6: Final answer
    x = 5,737,203.40

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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.