Home / 12,868,530.72-19,302,783.66-3,283,909.26

Finding the Fourth Proportional to 12,868,530.72, 19,302,783.66 and 3,283,909.26

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Solution

The fourth proportional to 12,868,530.72, 19,302,783.66 and 3,283,909.26 is: 4,925,860.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868,530.72 : 19,302,783.66 = 3,283,909.26 : x
  2. Step 2: Convert to fraction form
    12,868,530.72/19,302,783.66 = 3,283,909.26/x
  3. Step 3: Cross multiply
    12,868,530.72x = 19,302,783.66 × 3,283,909.26
  4. Step 4: Simplify right side
    12,868,530.72x = 63,388,590,004,850.69
  5. Step 5: Solve for x
    x = 63,388,590,004,850.69/12,868,530.72
  6. Step 6: Final answer
    x = 4,925,860.72

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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.