Home / 12,913,298.76-17,821,611.01-9,644,438.39

Finding the Fourth Proportional to 12,913,298.76, 17,821,611.01 and 9,644,438.39

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Solution

The fourth proportional to 12,913,298.76, 17,821,611.01 and 9,644,438.39 is: 13,310,265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913,298.76 : 17,821,611.01 = 9,644,438.39 : x
  2. Step 2: Convert to fraction form
    12,913,298.76/17,821,611.01 = 9,644,438.39/x
  3. Step 3: Cross multiply
    12,913,298.76x = 17,821,611.01 × 9,644,438.39
  4. Step 4: Simplify right side
    12,913,298.76x = 171,879,429,396,490.69
  5. Step 5: Solve for x
    x = 171,879,429,396,490.69/12,913,298.76
  6. Step 6: Final answer
    x = 13,310,265.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.