Home / 28,324,779.65-42,487,104.67-12,140,236.61

Finding the Fourth Proportional to 28,324,779.65, 42,487,104.67 and 12,140,236.61

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Solution

The fourth proportional to 28,324,779.65, 42,487,104.67 and 12,140,236.61 is: 18,210,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324,779.65 : 42,487,104.67 = 12,140,236.61 : x
  2. Step 2: Convert to fraction form
    28,324,779.65/42,487,104.67 = 12,140,236.61/x
  3. Step 3: Cross multiply
    28,324,779.65x = 42,487,104.67 × 12,140,236.61
  4. Step 4: Simplify right side
    28,324,779.65x = 515,803,503,567,635.94
  5. Step 5: Solve for x
    x = 515,803,503,567,635.94/28,324,779.65
  6. Step 6: Final answer
    x = 18,210,327.14

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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.