Home / 20,072,064.96-27,697,451.04-11,368,500.48

Finding the Fourth Proportional to 20,072,064.96, 27,697,451.04 and 11,368,500.48

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Solution

The fourth proportional to 20,072,064.96, 27,697,451.04 and 11,368,500.48 is: 15,687,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072,064.96 : 27,697,451.04 = 11,368,500.48 : x
  2. Step 2: Convert to fraction form
    20,072,064.96/27,697,451.04 = 11,368,500.48/x
  3. Step 3: Cross multiply
    20,072,064.96x = 27,697,451.04 × 11,368,500.48
  4. Step 4: Simplify right side
    20,072,064.96x = 314,878,485,443,016.50
  5. Step 5: Solve for x
    x = 314,878,485,443,016.50/20,072,064.96
  6. Step 6: Final answer
    x = 15,687,398.68

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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.