Home / 12,454,638.47-18,681,846.54-3,934,974.64

Finding the Fourth Proportional to 12,454,638.47, 18,681,846.54 and 3,934,974.64

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Solution

The fourth proportional to 12,454,638.47, 18,681,846.54 and 3,934,974.64 is: 5,902,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454,638.47 : 18,681,846.54 = 3,934,974.64 : x
  2. Step 2: Convert to fraction form
    12,454,638.47/18,681,846.54 = 3,934,974.64/x
  3. Step 3: Cross multiply
    12,454,638.47x = 18,681,846.54 × 3,934,974.64
  4. Step 4: Simplify right side
    12,454,638.47x = 73,512,592,363,271.75
  5. Step 5: Solve for x
    x = 73,512,592,363,271.75/12,454,638.47
  6. Step 6: Final answer
    x = 5,902,426.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.