Home / 18,812,606.77-28,215,887.59-5,162,564.53

Finding the Fourth Proportional to 18,812,606.77, 28,215,887.59 and 5,162,564.53

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Solution

The fourth proportional to 18,812,606.77, 28,215,887.59 and 5,162,564.53 is: 7,743,017.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812,606.77 : 28,215,887.59 = 5,162,564.53 : x
  2. Step 2: Convert to fraction form
    18,812,606.77/28,215,887.59 = 5,162,564.53/x
  3. Step 3: Cross multiply
    18,812,606.77x = 28,215,887.59 × 5,162,564.53
  4. Step 4: Simplify right side
    18,812,606.77x = 145,666,340,454,601.19
  5. Step 5: Solve for x
    x = 145,666,340,454,601.19/18,812,606.77
  6. Step 6: Final answer
    x = 7,743,017.34

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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.