Home / 18,468,047.80-27,702,071.70-12,303,332.20

Finding the Fourth Proportional to 18,468,047.80, 27,702,071.70 and 12,303,332.20

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Solution

The fourth proportional to 18,468,047.80, 27,702,071.70 and 12,303,332.20 is: 18,454,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,047.80 : 27,702,071.70 = 12,303,332.20 : x
  2. Step 2: Convert to fraction form
    18,468,047.80/27,702,071.70 = 12,303,332.20/x
  3. Step 3: Cross multiply
    18,468,047.80x = 27,702,071.70 × 12,303,332.20
  4. Step 4: Simplify right side
    18,468,047.80x = 340,827,790,753,318.69
  5. Step 5: Solve for x
    x = 340,827,790,753,318.69/18,468,047.80
  6. Step 6: Final answer
    x = 18,454,998.30

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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.