Home / 16,998,309.76-25,495,342.40-6,891,219.84

Finding the Fourth Proportional to 16,998,309.76, 25,495,342.40 and 6,891,219.84

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Solution

The fourth proportional to 16,998,309.76, 25,495,342.40 and 6,891,219.84 is: 10,335,969.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998,309.76 : 25,495,342.40 = 6,891,219.84 : x
  2. Step 2: Convert to fraction form
    16,998,309.76/25,495,342.40 = 6,891,219.84/x
  3. Step 3: Cross multiply
    16,998,309.76x = 25,495,342.40 × 6,891,219.84
  4. Step 4: Simplify right side
    16,998,309.76x = 175,694,009,374,473.19
  5. Step 5: Solve for x
    x = 175,694,009,374,473.19/16,998,309.76
  6. Step 6: Final answer
    x = 10,335,969.39

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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.