Home / 20,996,012.35-31,489,292.18-7,532,840.35

Finding the Fourth Proportional to 20,996,012.35, 31,489,292.18 and 7,532,840.35

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Solution

The fourth proportional to 20,996,012.35, 31,489,292.18 and 7,532,840.35 is: 11,297,564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,012.35 : 31,489,292.18 = 7,532,840.35 : x
  2. Step 2: Convert to fraction form
    20,996,012.35/31,489,292.18 = 7,532,840.35/x
  3. Step 3: Cross multiply
    20,996,012.35x = 31,489,292.18 × 7,532,840.35
  4. Step 4: Simplify right side
    20,996,012.35x = 237,203,810,688,779.25
  5. Step 5: Solve for x
    x = 237,203,810,688,779.25/20,996,012.35
  6. Step 6: Final answer
    x = 11,297,564.83

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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.