Home / 12,885,153.44-19,341,735.46-5,214,079.01

Finding the Fourth Proportional to 12,885,153.44, 19,341,735.46 and 5,214,079.01

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Solution

The fourth proportional to 12,885,153.44, 19,341,735.46 and 5,214,079.01 is: 7,826,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,153.44 : 19,341,735.46 = 5,214,079.01 : x
  2. Step 2: Convert to fraction form
    12,885,153.44/19,341,735.46 = 5,214,079.01/x
  3. Step 3: Cross multiply
    12,885,153.44x = 19,341,735.46 × 5,214,079.01
  4. Step 4: Simplify right side
    12,885,153.44x = 100,849,336,914,277.84
  5. Step 5: Solve for x
    x = 100,849,336,914,277.84/12,885,153.44
  6. Step 6: Final answer
    x = 7,826,785.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.