Home / 20,965,572.84-31,448,535.30-5,820,685.32

Finding the Fourth Proportional to 20,965,572.84, 31,448,535.30 and 5,820,685.32

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Solution

The fourth proportional to 20,965,572.84, 31,448,535.30 and 5,820,685.32 is: 8,731,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,965,572.84 : 31,448,535.30 = 5,820,685.32 : x
  2. Step 2: Convert to fraction form
    20,965,572.84/31,448,535.30 = 5,820,685.32/x
  3. Step 3: Cross multiply
    20,965,572.84x = 31,448,535.30 × 5,820,685.32
  4. Step 4: Simplify right side
    20,965,572.84x = 183,052,027,756,211.81
  5. Step 5: Solve for x
    x = 183,052,027,756,211.81/20,965,572.84
  6. Step 6: Final answer
    x = 8,731,076.85

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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.