Home / 18,639,111.83-27,960,283.52-5,688,178.37

Finding the Fourth Proportional to 18,639,111.83, 27,960,283.52 and 5,688,178.37

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Solution

The fourth proportional to 18,639,111.83, 27,960,283.52 and 5,688,178.37 is: 8,532,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,639,111.83 : 27,960,283.52 = 5,688,178.37 : x
  2. Step 2: Convert to fraction form
    18,639,111.83/27,960,283.52 = 5,688,178.37/x
  3. Step 3: Cross multiply
    18,639,111.83x = 27,960,283.52 × 5,688,178.37
  4. Step 4: Simplify right side
    18,639,111.83x = 159,043,079,769,289.16
  5. Step 5: Solve for x
    x = 159,043,079,769,289.16/18,639,111.83
  6. Step 6: Final answer
    x = 8,532,760.64

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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.