Home / 14,215,349.13-21,309,945.27-7,728,945.65

Finding the Fourth Proportional to 14,215,349.13, 21,309,945.27 and 7,728,945.65

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Solution

The fourth proportional to 14,215,349.13, 21,309,945.27 and 7,728,945.65 is: 11,586,307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215,349.13 : 21,309,945.27 = 7,728,945.65 : x
  2. Step 2: Convert to fraction form
    14,215,349.13/21,309,945.27 = 7,728,945.65/x
  3. Step 3: Cross multiply
    14,215,349.13x = 21,309,945.27 × 7,728,945.65
  4. Step 4: Simplify right side
    14,215,349.13x = 164,703,408,782,913.41
  5. Step 5: Solve for x
    x = 164,703,408,782,913.41/14,215,349.13
  6. Step 6: Final answer
    x = 11,586,307.68

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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.