Home / 21,326,080.55-29,429,902.44-11,536,500.60

Finding the Fourth Proportional to 21,326,080.55, 29,429,902.44 and 11,536,500.60

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Solution

The fourth proportional to 21,326,080.55, 29,429,902.44 and 11,536,500.60 is: 15,920,322.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,326,080.55 : 29,429,902.44 = 11,536,500.60 : x
  2. Step 2: Convert to fraction form
    21,326,080.55/29,429,902.44 = 11,536,500.60/x
  3. Step 3: Cross multiply
    21,326,080.55x = 29,429,902.44 × 11,536,500.60
  4. Step 4: Simplify right side
    21,326,080.55x = 339,518,087,157,001.44
  5. Step 5: Solve for x
    x = 339,518,087,157,001.44/21,326,080.55
  6. Step 6: Final answer
    x = 15,920,322.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.