Home / 8,685,711.96-13,020,095.59-4,135,538.18

Finding the Fourth Proportional to 8,685,711.96, 13,020,095.59 and 4,135,538.18

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Solution

The fourth proportional to 8,685,711.96, 13,020,095.59 and 4,135,538.18 is: 6,199,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,711.96 : 13,020,095.59 = 4,135,538.18 : x
  2. Step 2: Convert to fraction form
    8,685,711.96/13,020,095.59 = 4,135,538.18/x
  3. Step 3: Cross multiply
    8,685,711.96x = 13,020,095.59 × 4,135,538.18
  4. Step 4: Simplify right side
    8,685,711.96x = 53,845,102,419,694.62
  5. Step 5: Solve for x
    x = 53,845,102,419,694.62/8,685,711.96
  6. Step 6: Final answer
    x = 6,199,273.32

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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.