Home / 28,007,998.80-42,011,998.20-16,642,597.20

Finding the Fourth Proportional to 28,007,998.80, 42,011,998.20 and 16,642,597.20

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Solution

The fourth proportional to 28,007,998.80, 42,011,998.20 and 16,642,597.20 is: 24,963,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007,998.80 : 42,011,998.20 = 16,642,597.20 : x
  2. Step 2: Convert to fraction form
    28,007,998.80/42,011,998.20 = 16,642,597.20/x
  3. Step 3: Cross multiply
    28,007,998.80x = 42,011,998.20 × 16,642,597.20
  4. Step 4: Simplify right side
    28,007,998.80x = 699,188,763,609,725
  5. Step 5: Solve for x
    x = 699,188,763,609,725/28,007,998.80
  6. Step 6: Final answer
    x = 24,963,895.80

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1.5x scale

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.