Home / 13,389,945.80-20,084,918.70-7,002,156.20

Finding the Fourth Proportional to 13,389,945.80, 20,084,918.70 and 7,002,156.20

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Solution

The fourth proportional to 13,389,945.80, 20,084,918.70 and 7,002,156.20 is: 10,503,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389,945.80 : 20,084,918.70 = 7,002,156.20 : x
  2. Step 2: Convert to fraction form
    13,389,945.80/20,084,918.70 = 7,002,156.20/x
  3. Step 3: Cross multiply
    13,389,945.80x = 20,084,918.70 × 7,002,156.20
  4. Step 4: Simplify right side
    13,389,945.80x = 140,637,738,001,700.94
  5. Step 5: Solve for x
    x = 140,637,738,001,700.94/13,389,945.80
  6. Step 6: Final answer
    x = 10,503,234.30

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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.