Home / 28,205,225.60-42,321,835.20-16,083,996.80

Finding the Fourth Proportional to 28,205,225.60, 42,321,835.20 and 16,083,996.80

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Solution

The fourth proportional to 28,205,225.60, 42,321,835.20 and 16,083,996.80 is: 24,133,976.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,205,225.60 : 42,321,835.20 = 16,083,996.80 : x
  2. Step 2: Convert to fraction form
    28,205,225.60/42,321,835.20 = 16,083,996.80/x
  3. Step 3: Cross multiply
    28,205,225.60x = 42,321,835.20 × 16,083,996.80
  4. Step 4: Simplify right side
    28,205,225.60x = 680,704,261,926,927.50
  5. Step 5: Solve for x
    x = 680,704,261,926,927.50/28,205,225.60
  6. Step 6: Final answer
    x = 24,133,976.86

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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.