Home / 20,679,051.52-31,018,992-5,532,958.72

Finding the Fourth Proportional to 20,679,051.52, 31,018,992 and 5,532,958.72

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Solution

The fourth proportional to 20,679,051.52, 31,018,992 and 5,532,958.72 is: 8,299,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,679,051.52 : 31,018,992 = 5,532,958.72 : x
  2. Step 2: Convert to fraction form
    20,679,051.52/31,018,992 = 5,532,958.72/x
  3. Step 3: Cross multiply
    20,679,051.52x = 31,018,992 × 5,532,958.72
  4. Step 4: Simplify right side
    20,679,051.52x = 171,626,802,272,010.22
  5. Step 5: Solve for x
    x = 171,626,802,272,010.22/20,679,051.52
  6. Step 6: Final answer
    x = 8,299,549.04

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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.