Home / 20,656,330.56-30,918,244.32-11,047,682.88

Finding the Fourth Proportional to 20,656,330.56, 30,918,244.32 and 11,047,682.88

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Solution

The fourth proportional to 20,656,330.56, 30,918,244.32 and 11,047,682.88 is: 16,536,090.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656,330.56 : 30,918,244.32 = 11,047,682.88 : x
  2. Step 2: Convert to fraction form
    20,656,330.56/30,918,244.32 = 11,047,682.88/x
  3. Step 3: Cross multiply
    20,656,330.56x = 30,918,244.32 × 11,047,682.88
  4. Step 4: Simplify right side
    20,656,330.56x = 341,574,958,453,721.25
  5. Step 5: Solve for x
    x = 341,574,958,453,721.25/20,656,330.56
  6. Step 6: Final answer
    x = 16,536,090.83

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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.