Home / 20,039,468.50-27,654,519.65-10,872,111.25

Finding the Fourth Proportional to 20,039,468.50, 27,654,519.65 and 10,872,111.25

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Solution

The fourth proportional to 20,039,468.50, 27,654,519.65 and 10,872,111.25 is: 15,003,542.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039,468.50 : 27,654,519.65 = 10,872,111.25 : x
  2. Step 2: Convert to fraction form
    20,039,468.50/27,654,519.65 = 10,872,111.25/x
  3. Step 3: Cross multiply
    20,039,468.50x = 27,654,519.65 × 10,872,111.25
  4. Step 4: Simplify right side
    20,039,468.50x = 300,663,014,145,750.50
  5. Step 5: Solve for x
    x = 300,663,014,145,750.50/20,039,468.50
  6. Step 6: Final answer
    x = 15,003,542.34

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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.