Home / 15,367,786.48-21,207,552.60-8,492,268.34

Finding the Fourth Proportional to 15,367,786.48, 21,207,552.60 and 8,492,268.34

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Solution

The fourth proportional to 15,367,786.48, 21,207,552.60 and 8,492,268.34 is: 11,719,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,367,786.48 : 21,207,552.60 = 8,492,268.34 : x
  2. Step 2: Convert to fraction form
    15,367,786.48/21,207,552.60 = 8,492,268.34/x
  3. Step 3: Cross multiply
    15,367,786.48x = 21,207,552.60 × 8,492,268.34
  4. Step 4: Simplify right side
    15,367,786.48x = 180,100,227,513,864.69
  5. Step 5: Solve for x
    x = 180,100,227,513,864.69/15,367,786.48
  6. Step 6: Final answer
    x = 11,719,334.32

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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.