Home / 14,217,372.38-19,619,914.80-7,690,985.75

Finding the Fourth Proportional to 14,217,372.38, 19,619,914.80 and 7,690,985.75

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Solution

The fourth proportional to 14,217,372.38, 19,619,914.80 and 7,690,985.75 is: 10,613,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217,372.38 : 19,619,914.80 = 7,690,985.75 : x
  2. Step 2: Convert to fraction form
    14,217,372.38/19,619,914.80 = 7,690,985.75/x
  3. Step 3: Cross multiply
    14,217,372.38x = 19,619,914.80 × 7,690,985.75
  4. Step 4: Simplify right side
    14,217,372.38x = 150,896,485,220,905.09
  5. Step 5: Solve for x
    x = 150,896,485,220,905.09/14,217,372.38
  6. Step 6: Final answer
    x = 10,613,528.38

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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.