Home / 15,037,980.05-20,751,875.53-8,511,469.38

Finding the Fourth Proportional to 15,037,980.05, 20,751,875.53 and 8,511,469.38

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Solution

The fourth proportional to 15,037,980.05, 20,751,875.53 and 8,511,469.38 is: 11,745,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,980.05 : 20,751,875.53 = 8,511,469.38 : x
  2. Step 2: Convert to fraction form
    15,037,980.05/20,751,875.53 = 8,511,469.38/x
  3. Step 3: Cross multiply
    15,037,980.05x = 20,751,875.53 × 8,511,469.38
  4. Step 4: Simplify right side
    15,037,980.05x = 176,628,953,168,056.97
  5. Step 5: Solve for x
    x = 176,628,953,168,056.97/15,037,980.05
  6. Step 6: Final answer
    x = 11,745,523.84

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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.