Home / 28,298,338.60-42,349,530.30-16,946,933.80

Finding the Fourth Proportional to 28,298,338.60, 42,349,530.30 and 16,946,933.80

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Solution

The fourth proportional to 28,298,338.60, 42,349,530.30 and 16,946,933.80 is: 25,361,725.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298,338.60 : 42,349,530.30 = 16,946,933.80 : x
  2. Step 2: Convert to fraction form
    28,298,338.60/42,349,530.30 = 16,946,933.80/x
  3. Step 3: Cross multiply
    28,298,338.60x = 42,349,530.30 × 16,946,933.80
  4. Step 4: Simplify right side
    28,298,338.60x = 717,694,686,455,194.12
  5. Step 5: Solve for x
    x = 717,694,686,455,194.12/28,298,338.60
  6. Step 6: Final answer
    x = 25,361,725.17

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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.