Home / 13,345,793.10-20,018,689.65-6,171,339.60

Finding the Fourth Proportional to 13,345,793.10, 20,018,689.65 and 6,171,339.60

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Solution

The fourth proportional to 13,345,793.10, 20,018,689.65 and 6,171,339.60 is: 9,257,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345,793.10 : 20,018,689.65 = 6,171,339.60 : x
  2. Step 2: Convert to fraction form
    13,345,793.10/20,018,689.65 = 6,171,339.60/x
  3. Step 3: Cross multiply
    13,345,793.10x = 20,018,689.65 × 6,171,339.60
  4. Step 4: Simplify right side
    13,345,793.10x = 123,542,132,177,155.12
  5. Step 5: Solve for x
    x = 123,542,132,177,155.12/13,345,793.10
  6. Step 6: Final answer
    x = 9,257,009.40

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Similar ratio
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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.