Home / 15,104,918.43-20,847,287.34-8,911,479.32

Finding the Fourth Proportional to 15,104,918.43, 20,847,287.34 and 8,911,479.32

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Solution

The fourth proportional to 15,104,918.43, 20,847,287.34 and 8,911,479.32 is: 12,299,316.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104,918.43 : 20,847,287.34 = 8,911,479.32 : x
  2. Step 2: Convert to fraction form
    15,104,918.43/20,847,287.34 = 8,911,479.32/x
  3. Step 3: Cross multiply
    15,104,918.43x = 20,847,287.34 × 8,911,479.32
  4. Step 4: Simplify right side
    15,104,918.43x = 185,780,169,982,448.69
  5. Step 5: Solve for x
    x = 185,780,169,982,448.69/15,104,918.43
  6. Step 6: Final answer
    x = 12,299,316.33

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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.