Home / 23,189,346.40-34,784,019.60-20,638,429.60

Finding the Fourth Proportional to 23,189,346.40, 34,784,019.60 and 20,638,429.60

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Solution

The fourth proportional to 23,189,346.40, 34,784,019.60 and 20,638,429.60 is: 30,957,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189,346.40 : 34,784,019.60 = 20,638,429.60 : x
  2. Step 2: Convert to fraction form
    23,189,346.40/34,784,019.60 = 20,638,429.60/x
  3. Step 3: Cross multiply
    23,189,346.40x = 34,784,019.60 × 20,638,429.60
  4. Step 4: Simplify right side
    23,189,346.40x = 717,887,539,719,620.25
  5. Step 5: Solve for x
    x = 717,887,539,719,620.25/23,189,346.40
  6. Step 6: Final answer
    x = 30,957,644.40

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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.