Home / 10,355,789.38-15,533,670.63-2,782,755.30

Finding the Fourth Proportional to 10,355,789.38, 15,533,670.63 and 2,782,755.30

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Solution

The fourth proportional to 10,355,789.38, 15,533,670.63 and 2,782,755.30 is: 4,174,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355,789.38 : 15,533,670.63 = 2,782,755.30 : x
  2. Step 2: Convert to fraction form
    10,355,789.38/15,533,670.63 = 2,782,755.30/x
  3. Step 3: Cross multiply
    10,355,789.38x = 15,533,670.63 × 2,782,755.30
  4. Step 4: Simplify right side
    10,355,789.38x = 43,226,404,274,086.84
  5. Step 5: Solve for x
    x = 43,226,404,274,086.84/10,355,789.38
  6. Step 6: Final answer
    x = 4,174,129.34

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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.