Home / 13,013,435.18-17,958,542.25-7,212,591.42

Finding the Fourth Proportional to 13,013,435.18, 17,958,542.25 and 7,212,591.42

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Solution

The fourth proportional to 13,013,435.18, 17,958,542.25 and 7,212,591.42 is: 9,953,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,435.18 : 17,958,542.25 = 7,212,591.42 : x
  2. Step 2: Convert to fraction form
    13,013,435.18/17,958,542.25 = 7,212,591.42/x
  3. Step 3: Cross multiply
    13,013,435.18x = 17,958,542.25 × 7,212,591.42
  4. Step 4: Simplify right side
    13,013,435.18x = 129,527,627,748,057.50
  5. Step 5: Solve for x
    x = 129,527,627,748,057.50/13,013,435.18
  6. Step 6: Final answer
    x = 9,953,377.11

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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.