Home / 20,214,570.90-30,321,856.35-9,452,890.65

Finding the Fourth Proportional to 20,214,570.90, 30,321,856.35 and 9,452,890.65

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Solution

The fourth proportional to 20,214,570.90, 30,321,856.35 and 9,452,890.65 is: 14,179,335.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214,570.90 : 30,321,856.35 = 9,452,890.65 : x
  2. Step 2: Convert to fraction form
    20,214,570.90/30,321,856.35 = 9,452,890.65/x
  3. Step 3: Cross multiply
    20,214,570.90x = 30,321,856.35 × 9,452,890.65
  4. Step 4: Simplify right side
    20,214,570.90x = 286,629,192,381,558.12
  5. Step 5: Solve for x
    x = 286,629,192,381,558.12/20,214,570.90
  6. Step 6: Final answer
    x = 14,179,335.98

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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.