Home / 14,121,483.36-19,487,934.82-7,926,976.72

Finding the Fourth Proportional to 14,121,483.36, 19,487,934.82 and 7,926,976.72

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Solution

The fourth proportional to 14,121,483.36, 19,487,934.82 and 7,926,976.72 is: 10,939,389.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121,483.36 : 19,487,934.82 = 7,926,976.72 : x
  2. Step 2: Convert to fraction form
    14,121,483.36/19,487,934.82 = 7,926,976.72/x
  3. Step 3: Cross multiply
    14,121,483.36x = 19,487,934.82 × 7,926,976.72
  4. Step 4: Simplify right side
    14,121,483.36x = 154,480,405,673,286.03
  5. Step 5: Solve for x
    x = 154,480,405,673,286.03/14,121,483.36
  6. Step 6: Final answer
    x = 10,939,389.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.