Home / 9,318,938.72-12,860,719.52-5,132,622.83

Finding the Fourth Proportional to 9,318,938.72, 12,860,719.52 and 5,132,622.83

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Solution

The fourth proportional to 9,318,938.72, 12,860,719.52 and 5,132,622.83 is: 7,083,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318,938.72 : 12,860,719.52 = 5,132,622.83 : x
  2. Step 2: Convert to fraction form
    9,318,938.72/12,860,719.52 = 5,132,622.83/x
  3. Step 3: Cross multiply
    9,318,938.72x = 12,860,719.52 × 5,132,622.83
  4. Step 4: Simplify right side
    9,318,938.72x = 66,009,222,528,611.94
  5. Step 5: Solve for x
    x = 66,009,222,528,611.94/9,318,938.72
  6. Step 6: Final answer
    x = 7,083,341.20

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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.