Home / 17,655,767.40-26,500,563.90-9,142,213.80

Finding the Fourth Proportional to 17,655,767.40, 26,500,563.90 and 9,142,213.80

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Solution

The fourth proportional to 17,655,767.40, 26,500,563.90 and 9,142,213.80 is: 13,722,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,655,767.40 : 26,500,563.90 = 9,142,213.80 : x
  2. Step 2: Convert to fraction form
    17,655,767.40/26,500,563.90 = 9,142,213.80/x
  3. Step 3: Cross multiply
    17,655,767.40x = 26,500,563.90 × 9,142,213.80
  4. Step 4: Simplify right side
    17,655,767.40x = 242,273,820,994,361.81
  5. Step 5: Solve for x
    x = 242,273,820,994,361.81/17,655,767.40
  6. Step 6: Final answer
    x = 13,722,078.20

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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.