Home / 51,624,220.77-77,435,806.28-13,285,585.89

Finding the Fourth Proportional to 51,624,220.77, 77,435,806.28 and 13,285,585.89

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Solution

The fourth proportional to 51,624,220.77, 77,435,806.28 and 13,285,585.89 is: 19,928,243.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,624,220.77 : 77,435,806.28 = 13,285,585.89 : x
  2. Step 2: Convert to fraction form
    51,624,220.77/77,435,806.28 = 13,285,585.89/x
  3. Step 3: Cross multiply
    51,624,220.77x = 77,435,806.28 × 13,285,585.89
  4. Step 4: Simplify right side
    51,624,220.77x = 1,028,780,055,227,913.62
  5. Step 5: Solve for x
    x = 1,028,780,055,227,913.62/51,624,220.77
  6. Step 6: Final answer
    x = 19,928,243.76

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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.