Home / 12,619,415.36-18,932,307.89-3,521,505.35

Finding the Fourth Proportional to 12,619,415.36, 18,932,307.89 and 3,521,505.35

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Solution

The fourth proportional to 12,619,415.36, 18,932,307.89 and 3,521,505.35 is: 5,283,146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619,415.36 : 18,932,307.89 = 3,521,505.35 : x
  2. Step 2: Convert to fraction form
    12,619,415.36/18,932,307.89 = 3,521,505.35/x
  3. Step 3: Cross multiply
    12,619,415.36x = 18,932,307.89 × 3,521,505.35
  4. Step 4: Simplify right side
    12,619,415.36x = 66,670,223,410,213.16
  5. Step 5: Solve for x
    x = 66,670,223,410,213.16/12,619,415.36
  6. Step 6: Final answer
    x = 5,283,146.77

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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.