Home / 21,037,560.30-31,559,494.05-8,907,000.30

Finding the Fourth Proportional to 21,037,560.30, 31,559,494.05 and 8,907,000.30

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Solution

The fourth proportional to 21,037,560.30, 31,559,494.05 and 8,907,000.30 is: 13,361,835.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037,560.30 : 31,559,494.05 = 8,907,000.30 : x
  2. Step 2: Convert to fraction form
    21,037,560.30/31,559,494.05 = 8,907,000.30/x
  3. Step 3: Cross multiply
    21,037,560.30x = 31,559,494.05 × 8,907,000.30
  4. Step 4: Simplify right side
    21,037,560.30x = 281,100,422,971,198.25
  5. Step 5: Solve for x
    x = 281,100,422,971,198.25/21,037,560.30
  6. Step 6: Final answer
    x = 13,361,835.64

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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.