Home / 38,015,282.47-52,461,770.30-20,612,214.31

Finding the Fourth Proportional to 38,015,282.47, 52,461,770.30 and 20,612,214.31

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Solution

The fourth proportional to 38,015,282.47, 52,461,770.30 and 20,612,214.31 is: 28,445,224.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,015,282.47 : 52,461,770.30 = 20,612,214.31 : x
  2. Step 2: Convert to fraction form
    38,015,282.47/52,461,770.30 = 20,612,214.31/x
  3. Step 3: Cross multiply
    38,015,282.47x = 52,461,770.30 × 20,612,214.31
  4. Step 4: Simplify right side
    38,015,282.47x = 1,081,353,252,505,592.88
  5. Step 5: Solve for x
    x = 1,081,353,252,505,592.88/38,015,282.47
  6. Step 6: Final answer
    x = 28,445,224.72

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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.