Home / 14,991,429.56-20,688,176.04-8,115,968.12

Finding the Fourth Proportional to 14,991,429.56, 20,688,176.04 and 8,115,968.12

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Solution

The fourth proportional to 14,991,429.56, 20,688,176.04 and 8,115,968.12 is: 11,200,037.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991,429.56 : 20,688,176.04 = 8,115,968.12 : x
  2. Step 2: Convert to fraction form
    14,991,429.56/20,688,176.04 = 8,115,968.12/x
  3. Step 3: Cross multiply
    14,991,429.56x = 20,688,176.04 × 8,115,968.12
  4. Step 4: Simplify right side
    14,991,429.56x = 167,904,577,222,873.38
  5. Step 5: Solve for x
    x = 167,904,577,222,873.38/14,991,429.56
  6. Step 6: Final answer
    x = 11,200,037.76

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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.