Home / 34,765,892.40-52,128,102.60-21,312,375.60

Finding the Fourth Proportional to 34,765,892.40, 52,128,102.60 and 21,312,375.60

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Solution

The fourth proportional to 34,765,892.40, 52,128,102.60 and 21,312,375.60 is: 31,955,851.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,765,892.40 : 52,128,102.60 = 21,312,375.60 : x
  2. Step 2: Convert to fraction form
    34,765,892.40/52,128,102.60 = 21,312,375.60/x
  3. Step 3: Cross multiply
    34,765,892.40x = 52,128,102.60 × 21,312,375.60
  4. Step 4: Simplify right side
    34,765,892.40x = 1,110,973,701,926,536.62
  5. Step 5: Solve for x
    x = 1,110,973,701,926,536.62/34,765,892.40
  6. Step 6: Final answer
    x = 31,955,851.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.