Home / 28,117,555.25-38,791,135.73-17,657,419.37

Finding the Fourth Proportional to 28,117,555.25, 38,791,135.73 and 17,657,419.37

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Solution

The fourth proportional to 28,117,555.25, 38,791,135.73 and 17,657,419.37 is: 24,360,274.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,117,555.25 : 38,791,135.73 = 17,657,419.37 : x
  2. Step 2: Convert to fraction form
    28,117,555.25/38,791,135.73 = 17,657,419.37/x
  3. Step 3: Cross multiply
    28,117,555.25x = 38,791,135.73 × 17,657,419.37
  4. Step 4: Simplify right side
    28,117,555.25x = 684,951,351,334,914
  5. Step 5: Solve for x
    x = 684,951,351,334,914/28,117,555.25
  6. Step 6: Final answer
    x = 24,360,274.04

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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.