Home / 21,783,669.90-32,675,504.85-13,721,513.10

Finding the Fourth Proportional to 21,783,669.90, 32,675,504.85 and 13,721,513.10

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Solution

The fourth proportional to 21,783,669.90, 32,675,504.85 and 13,721,513.10 is: 20,582,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,669.90 : 32,675,504.85 = 13,721,513.10 : x
  2. Step 2: Convert to fraction form
    21,783,669.90/32,675,504.85 = 13,721,513.10/x
  3. Step 3: Cross multiply
    21,783,669.90x = 32,675,504.85 × 13,721,513.10
  4. Step 4: Simplify right side
    21,783,669.90x = 448,357,367,848,388.56
  5. Step 5: Solve for x
    x = 448,357,367,848,388.56/21,783,669.90
  6. Step 6: Final answer
    x = 20,582,269.65

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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.