Home / 18,965,229.72-28,447,918.38-4,588,274.40

Finding the Fourth Proportional to 18,965,229.72, 28,447,918.38 and 4,588,274.40

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Solution

The fourth proportional to 18,965,229.72, 28,447,918.38 and 4,588,274.40 is: 6,882,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,965,229.72 : 28,447,918.38 = 4,588,274.40 : x
  2. Step 2: Convert to fraction form
    18,965,229.72/28,447,918.38 = 4,588,274.40/x
  3. Step 3: Cross multiply
    18,965,229.72x = 28,447,918.38 × 4,588,274.40
  4. Step 4: Simplify right side
    18,965,229.72x = 130,526,855,636,243.48
  5. Step 5: Solve for x
    x = 130,526,855,636,243.48/18,965,229.72
  6. Step 6: Final answer
    x = 6,882,429.45

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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.