Home / 21,012,034.50-28,997,050.48-11,844,677.25

Finding the Fourth Proportional to 21,012,034.50, 28,997,050.48 and 11,844,677.25

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Solution

The fourth proportional to 21,012,034.50, 28,997,050.48 and 11,844,677.25 is: 16,345,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,012,034.50 : 28,997,050.48 = 11,844,677.25 : x
  2. Step 2: Convert to fraction form
    21,012,034.50/28,997,050.48 = 11,844,677.25/x
  3. Step 3: Cross multiply
    21,012,034.50x = 28,997,050.48 × 11,844,677.25
  4. Step 4: Simplify right side
    21,012,034.50x = 343,460,704,107,945.88
  5. Step 5: Solve for x
    x = 343,460,704,107,945.88/21,012,034.50
  6. Step 6: Final answer
    x = 16,345,904.25

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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.