Home / 28,230,957.80-42,251,958.30-19,727,901.80

Finding the Fourth Proportional to 28,230,957.80, 42,251,958.30 and 19,727,901.80

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Solution

The fourth proportional to 28,230,957.80, 42,251,958.30 and 19,727,901.80 is: 29,525,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230,957.80 : 42,251,958.30 = 19,727,901.80 : x
  2. Step 2: Convert to fraction form
    28,230,957.80/42,251,958.30 = 19,727,901.80/x
  3. Step 3: Cross multiply
    28,230,957.80x = 42,251,958.30 × 19,727,901.80
  4. Step 4: Simplify right side
    28,230,957.80x = 833,542,484,200,094.88
  5. Step 5: Solve for x
    x = 833,542,484,200,094.88/28,230,957.80
  6. Step 6: Final answer
    x = 29,525,830.83

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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.