Home / 13,014,930.48-17,961,678.90-7,215,531.36

Finding the Fourth Proportional to 13,014,930.48, 17,961,678.90 and 7,215,531.36

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Solution

The fourth proportional to 13,014,930.48, 17,961,678.90 and 7,215,531.36 is: 9,958,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014,930.48 : 17,961,678.90 = 7,215,531.36 : x
  2. Step 2: Convert to fraction form
    13,014,930.48/17,961,678.90 = 7,215,531.36/x
  3. Step 3: Cross multiply
    13,014,930.48x = 17,961,678.90 × 7,215,531.36
  4. Step 4: Simplify right side
    13,014,930.48x = 129,603,057,381,200.30
  5. Step 5: Solve for x
    x = 129,603,057,381,200.30/13,014,930.48
  6. Step 6: Final answer
    x = 9,958,029.17

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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.