Home / 31,408,657.84-43,344,015.24-17,657,734.96

Finding the Fourth Proportional to 31,408,657.84, 43,344,015.24 and 17,657,734.96

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Solution

The fourth proportional to 31,408,657.84, 43,344,015.24 and 17,657,734.96 is: 24,367,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408,657.84 : 43,344,015.24 = 17,657,734.96 : x
  2. Step 2: Convert to fraction form
    31,408,657.84/43,344,015.24 = 17,657,734.96/x
  3. Step 3: Cross multiply
    31,408,657.84x = 43,344,015.24 × 17,657,734.96
  4. Step 4: Simplify right side
    31,408,657.84x = 765,357,133,210,120.88
  5. Step 5: Solve for x
    x = 765,357,133,210,120.88/31,408,657.84
  6. Step 6: Final answer
    x = 24,367,712.15

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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.