Home / 18,664,058.70-27,996,088.05-5,200,886.70

Finding the Fourth Proportional to 18,664,058.70, 27,996,088.05 and 5,200,886.70

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Solution

The fourth proportional to 18,664,058.70, 27,996,088.05 and 5,200,886.70 is: 7,801,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664,058.70 : 27,996,088.05 = 5,200,886.70 : x
  2. Step 2: Convert to fraction form
    18,664,058.70/27,996,088.05 = 5,200,886.70/x
  3. Step 3: Cross multiply
    18,664,058.70x = 27,996,088.05 × 5,200,886.70
  4. Step 4: Simplify right side
    18,664,058.70x = 145,604,481,991,273.94
  5. Step 5: Solve for x
    x = 145,604,481,991,273.94/18,664,058.70
  6. Step 6: Final answer
    x = 7,801,330.05

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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.