Home / 19,156,445.93-28,743,636.99-8,372,345.56

Finding the Fourth Proportional to 19,156,445.93, 28,743,636.99 and 8,372,345.56

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Solution

The fourth proportional to 19,156,445.93, 28,743,636.99 and 8,372,345.56 is: 12,562,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156,445.93 : 28,743,636.99 = 8,372,345.56 : x
  2. Step 2: Convert to fraction form
    19,156,445.93/28,743,636.99 = 8,372,345.56/x
  3. Step 3: Cross multiply
    19,156,445.93x = 28,743,636.99 × 8,372,345.56
  4. Step 4: Simplify right side
    19,156,445.93x = 240,651,661,531,478.25
  5. Step 5: Solve for x
    x = 240,651,661,531,478.25/19,156,445.93
  6. Step 6: Final answer
    x = 12,562,437.86

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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.