Home / 21,065,200.20-31,544,656.20-16,813,672.20

Finding the Fourth Proportional to 21,065,200.20, 31,544,656.20 and 16,813,672.20

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Solution

The fourth proportional to 21,065,200.20, 31,544,656.20 and 16,813,672.20 is: 25,178,090.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,065,200.20 : 31,544,656.20 = 16,813,672.20 : x
  2. Step 2: Convert to fraction form
    21,065,200.20/31,544,656.20 = 16,813,672.20/x
  3. Step 3: Cross multiply
    21,065,200.20x = 31,544,656.20 × 16,813,672.20
  4. Step 4: Simplify right side
    21,065,200.20x = 530,381,509,008,497.62
  5. Step 5: Solve for x
    x = 530,381,509,008,497.62/21,065,200.20
  6. Step 6: Final answer
    x = 25,178,090.12

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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.