Home / 8,690,688.09-13,035,980.30-4,726,794.33

Finding the Fourth Proportional to 8,690,688.09, 13,035,980.30 and 4,726,794.33

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Solution

The fourth proportional to 8,690,688.09, 13,035,980.30 and 4,726,794.33 is: 7,090,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690,688.09 : 13,035,980.30 = 4,726,794.33 : x
  2. Step 2: Convert to fraction form
    8,690,688.09/13,035,980.30 = 4,726,794.33/x
  3. Step 3: Cross multiply
    8,690,688.09x = 13,035,980.30 × 4,726,794.33
  4. Step 4: Simplify right side
    8,690,688.09x = 61,618,397,744,397.73
  5. Step 5: Solve for x
    x = 61,618,397,744,397.73/8,690,688.09
  6. Step 6: Final answer
    x = 7,090,163.30

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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.