Home / 13,626,111.38-20,430,934.49-5,430,014.48

Finding the Fourth Proportional to 13,626,111.38, 20,430,934.49 and 5,430,014.48

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Solution

The fourth proportional to 13,626,111.38, 20,430,934.49 and 5,430,014.48 is: 8,141,741.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626,111.38 : 20,430,934.49 = 5,430,014.48 : x
  2. Step 2: Convert to fraction form
    13,626,111.38/20,430,934.49 = 5,430,014.48/x
  3. Step 3: Cross multiply
    13,626,111.38x = 20,430,934.49 × 5,430,014.48
  4. Step 4: Simplify right side
    13,626,111.38x = 110,940,270,120,631.42
  5. Step 5: Solve for x
    x = 110,940,270,120,631.42/13,626,111.38
  6. Step 6: Final answer
    x = 8,141,741.03

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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.