Home / 13,821,997.80-20,732,996.70-6,145,627.80

Finding the Fourth Proportional to 13,821,997.80, 20,732,996.70 and 6,145,627.80

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Solution

The fourth proportional to 13,821,997.80, 20,732,996.70 and 6,145,627.80 is: 9,218,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821,997.80 : 20,732,996.70 = 6,145,627.80 : x
  2. Step 2: Convert to fraction form
    13,821,997.80/20,732,996.70 = 6,145,627.80/x
  3. Step 3: Cross multiply
    13,821,997.80x = 20,732,996.70 × 6,145,627.80
  4. Step 4: Simplify right side
    13,821,997.80x = 127,417,280,896,828.25
  5. Step 5: Solve for x
    x = 127,417,280,896,828.25/13,821,997.80
  6. Step 6: Final answer
    x = 9,218,441.70

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1.5x scale

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.