Home / 28,192,128.30-42,288,192.45-27,814,214.70

Finding the Fourth Proportional to 28,192,128.30, 42,288,192.45 and 27,814,214.70

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Solution

The fourth proportional to 28,192,128.30, 42,288,192.45 and 27,814,214.70 is: 41,721,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192,128.30 : 42,288,192.45 = 27,814,214.70 : x
  2. Step 2: Convert to fraction form
    28,192,128.30/42,288,192.45 = 27,814,214.70/x
  3. Step 3: Cross multiply
    28,192,128.30x = 42,288,192.45 × 27,814,214.70
  4. Step 4: Simplify right side
    28,192,128.30x = 1,176,212,864,079,219
  5. Step 5: Solve for x
    x = 1,176,212,864,079,219/28,192,128.30
  6. Step 6: Final answer
    x = 41,721,322.05

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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.