Home / 31,746,226.32-43,819,115.94-20,734,659.45

Finding the Fourth Proportional to 31,746,226.32, 43,819,115.94 and 20,734,659.45

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Solution

The fourth proportional to 31,746,226.32, 43,819,115.94 and 20,734,659.45 is: 28,619,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,746,226.32 : 43,819,115.94 = 20,734,659.45 : x
  2. Step 2: Convert to fraction form
    31,746,226.32/43,819,115.94 = 20,734,659.45/x
  3. Step 3: Cross multiply
    31,746,226.32x = 43,819,115.94 × 20,734,659.45
  4. Step 4: Simplify right side
    31,746,226.32x = 908,574,446,415,966.50
  5. Step 5: Solve for x
    x = 908,574,446,415,966.50/31,746,226.32
  6. Step 6: Final answer
    x = 28,619,919.65

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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.