Home / 7,340,477.60-10,988,943.60-5,455,575.20

Finding the Fourth Proportional to 7,340,477.60, 10,988,943.60 and 5,455,575.20

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Solution

The fourth proportional to 7,340,477.60, 10,988,943.60 and 5,455,575.20 is: 8,167,180.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,477.60 : 10,988,943.60 = 5,455,575.20 : x
  2. Step 2: Convert to fraction form
    7,340,477.60/10,988,943.60 = 5,455,575.20/x
  3. Step 3: Cross multiply
    7,340,477.60x = 10,988,943.60 × 5,455,575.20
  4. Step 4: Simplify right side
    7,340,477.60x = 59,951,008,178,358.72
  5. Step 5: Solve for x
    x = 59,951,008,178,358.72/7,340,477.60
  6. Step 6: Final answer
    x = 8,167,180.86

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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.