Home / 26,190,047.70-39,285,071.55-18,127,890.90

Finding the Fourth Proportional to 26,190,047.70, 39,285,071.55 and 18,127,890.90

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Solution

The fourth proportional to 26,190,047.70, 39,285,071.55 and 18,127,890.90 is: 27,191,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190,047.70 : 39,285,071.55 = 18,127,890.90 : x
  2. Step 2: Convert to fraction form
    26,190,047.70/39,285,071.55 = 18,127,890.90/x
  3. Step 3: Cross multiply
    26,190,047.70x = 39,285,071.55 × 18,127,890.90
  4. Step 4: Simplify right side
    26,190,047.70x = 712,155,491,057,093.75
  5. Step 5: Solve for x
    x = 712,155,491,057,093.75/26,190,047.70
  6. Step 6: Final answer
    x = 27,191,836.35

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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.