Home / 20,214,570.40-30,321,855.60-9,452,890.15

Finding the Fourth Proportional to 20,214,570.40, 30,321,855.60 and 9,452,890.15

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Solution

The fourth proportional to 20,214,570.40, 30,321,855.60 and 9,452,890.15 is: 14,179,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214,570.40 : 30,321,855.60 = 9,452,890.15 : x
  2. Step 2: Convert to fraction form
    20,214,570.40/30,321,855.60 = 9,452,890.15/x
  3. Step 3: Cross multiply
    20,214,570.40x = 30,321,855.60 × 9,452,890.15
  4. Step 4: Simplify right side
    20,214,570.40x = 286,629,170,130,962.38
  5. Step 5: Solve for x
    x = 286,629,170,130,962.38/20,214,570.40
  6. Step 6: Final answer
    x = 14,179,335.23

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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.