Home / 28,366,550.94-42,543,605.61-8,167,405.98

Finding the Fourth Proportional to 28,366,550.94, 42,543,605.61 and 8,167,405.98

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Solution

The fourth proportional to 28,366,550.94, 42,543,605.61 and 8,167,405.98 is: 12,249,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,550.94 : 42,543,605.61 = 8,167,405.98 : x
  2. Step 2: Convert to fraction form
    28,366,550.94/42,543,605.61 = 8,167,405.98/x
  3. Step 3: Cross multiply
    28,366,550.94x = 42,543,605.61 × 8,167,405.98
  4. Step 4: Simplify right side
    28,366,550.94x = 347,470,898,869,875.56
  5. Step 5: Solve for x
    x = 347,470,898,869,875.56/28,366,550.94
  6. Step 6: Final answer
    x = 12,249,317.85

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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.