Home / 12,502,426.60-18,759,860.70-7,115,213.80

Finding the Fourth Proportional to 12,502,426.60, 18,759,860.70 and 7,115,213.80

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Solution

The fourth proportional to 12,502,426.60, 18,759,860.70 and 7,115,213.80 is: 10,676,361.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502,426.60 : 18,759,860.70 = 7,115,213.80 : x
  2. Step 2: Convert to fraction form
    12,502,426.60/18,759,860.70 = 7,115,213.80/x
  3. Step 3: Cross multiply
    12,502,426.60x = 18,759,860.70 × 7,115,213.80
  4. Step 4: Simplify right side
    12,502,426.60x = 133,480,419,738,717.66
  5. Step 5: Solve for x
    x = 133,480,419,738,717.66/12,502,426.60
  6. Step 6: Final answer
    x = 10,676,361.00

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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.