Home / 28,331,927.80-42,497,891.70-22,167,212.20

Finding the Fourth Proportional to 28,331,927.80, 42,497,891.70 and 22,167,212.20

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Solution

The fourth proportional to 28,331,927.80, 42,497,891.70 and 22,167,212.20 is: 33,250,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,927.80 : 42,497,891.70 = 22,167,212.20 : x
  2. Step 2: Convert to fraction form
    28,331,927.80/42,497,891.70 = 22,167,212.20/x
  3. Step 3: Cross multiply
    28,331,927.80x = 42,497,891.70 × 22,167,212.20
  4. Step 4: Simplify right side
    28,331,927.80x = 942,059,783,366,518.75
  5. Step 5: Solve for x
    x = 942,059,783,366,518.75/28,331,927.80
  6. Step 6: Final answer
    x = 33,250,818.30

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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.