Home / 9,128,150.72-12,596,848.88-4,998,442.24

Finding the Fourth Proportional to 9,128,150.72, 12,596,848.88 and 4,998,442.24

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Solution

The fourth proportional to 9,128,150.72, 12,596,848.88 and 4,998,442.24 is: 6,897,850.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,150.72 : 12,596,848.88 = 4,998,442.24 : x
  2. Step 2: Convert to fraction form
    9,128,150.72/12,596,848.88 = 4,998,442.24/x
  3. Step 3: Cross multiply
    9,128,150.72x = 12,596,848.88 × 4,998,442.24
  4. Step 4: Simplify right side
    9,128,150.72x = 62,964,621,532,688.70
  5. Step 5: Solve for x
    x = 62,964,621,532,688.70/9,128,150.72
  6. Step 6: Final answer
    x = 6,897,850.78

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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.