Home / 13,015,904.52-17,962,812.81-7,214,930.76

Finding the Fourth Proportional to 13,015,904.52, 17,962,812.81 and 7,214,930.76

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Solution

The fourth proportional to 13,015,904.52, 17,962,812.81 and 7,214,930.76 is: 9,957,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015,904.52 : 17,962,812.81 = 7,214,930.76 : x
  2. Step 2: Convert to fraction form
    13,015,904.52/17,962,812.81 = 7,214,930.76/x
  3. Step 3: Cross multiply
    13,015,904.52x = 17,962,812.81 × 7,214,930.76
  4. Step 4: Simplify right side
    13,015,904.52x = 129,600,450,678,991.02
  5. Step 5: Solve for x
    x = 129,600,450,678,991.02/13,015,904.52
  6. Step 6: Final answer
    x = 9,957,083.70

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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.