Home / 12,799,914.36-19,199,361.76-7,054,039.40

Finding the Fourth Proportional to 12,799,914.36, 19,199,361.76 and 7,054,039.40

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Solution

The fourth proportional to 12,799,914.36, 19,199,361.76 and 7,054,039.40 is: 10,580,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799,914.36 : 19,199,361.76 = 7,054,039.40 : x
  2. Step 2: Convert to fraction form
    12,799,914.36/19,199,361.76 = 7,054,039.40/x
  3. Step 3: Cross multiply
    12,799,914.36x = 19,199,361.76 × 7,054,039.40
  4. Step 4: Simplify right side
    12,799,914.36x = 135,433,054,309,893.36
  5. Step 5: Solve for x
    x = 135,433,054,309,893.36/12,799,914.36
  6. Step 6: Final answer
    x = 10,580,778.16

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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.