Home / 18,576,043.20-27,864,064.80-7,209,110.70

Finding the Fourth Proportional to 18,576,043.20, 27,864,064.80 and 7,209,110.70

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Solution

The fourth proportional to 18,576,043.20, 27,864,064.80 and 7,209,110.70 is: 10,813,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576,043.20 : 27,864,064.80 = 7,209,110.70 : x
  2. Step 2: Convert to fraction form
    18,576,043.20/27,864,064.80 = 7,209,110.70/x
  3. Step 3: Cross multiply
    18,576,043.20x = 27,864,064.80 × 7,209,110.70
  4. Step 4: Simplify right side
    18,576,043.20x = 200,875,127,695,173.38
  5. Step 5: Solve for x
    x = 200,875,127,695,173.38/18,576,043.20
  6. Step 6: Final answer
    x = 10,813,666.05

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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.