Home / 28,895,120.91-43,343,470.31-8,424,345.77

Finding the Fourth Proportional to 28,895,120.91, 43,343,470.31 and 8,424,345.77

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Solution

The fourth proportional to 28,895,120.91, 43,343,470.31 and 8,424,345.77 is: 12,636,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895,120.91 : 43,343,470.31 = 8,424,345.77 : x
  2. Step 2: Convert to fraction form
    28,895,120.91/43,343,470.31 = 8,424,345.77/x
  3. Step 3: Cross multiply
    28,895,120.91x = 43,343,470.31 × 8,424,345.77
  4. Step 4: Simplify right side
    28,895,120.91x = 365,140,380,504,330.06
  5. Step 5: Solve for x
    x = 365,140,380,504,330.06/28,895,120.91
  6. Step 6: Final answer
    x = 12,636,748.66

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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.