Home / 19,987,627.23-27,583,015.05-10,820,269.98

Finding the Fourth Proportional to 19,987,627.23, 27,583,015.05 and 10,820,269.98

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Solution

The fourth proportional to 19,987,627.23, 27,583,015.05 and 10,820,269.98 is: 14,932,021.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987,627.23 : 27,583,015.05 = 10,820,269.98 : x
  2. Step 2: Convert to fraction form
    19,987,627.23/27,583,015.05 = 10,820,269.98/x
  3. Step 3: Cross multiply
    19,987,627.23x = 27,583,015.05 × 10,820,269.98
  4. Step 4: Simplify right side
    19,987,627.23x = 298,455,669,703,403.25
  5. Step 5: Solve for x
    x = 298,455,669,703,403.25/19,987,627.23
  6. Step 6: Final answer
    x = 14,932,021.01

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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.