Home / 15,029,022.28-20,740,090.80-8,153,504.32

Finding the Fourth Proportional to 15,029,022.28, 20,740,090.80 and 8,153,504.32

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Solution

The fourth proportional to 15,029,022.28, 20,740,090.80 and 8,153,504.32 is: 11,251,857.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,029,022.28 : 20,740,090.80 = 8,153,504.32 : x
  2. Step 2: Convert to fraction form
    15,029,022.28/20,740,090.80 = 8,153,504.32/x
  3. Step 3: Cross multiply
    15,029,022.28x = 20,740,090.80 × 8,153,504.32
  4. Step 4: Simplify right side
    15,029,022.28x = 169,104,419,934,992.28
  5. Step 5: Solve for x
    x = 169,104,419,934,992.28/15,029,022.28
  6. Step 6: Final answer
    x = 11,251,857.69

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1.5x scale

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.