Home / 21,209,050.63-31,769,436.26-13,494,481.03

Finding the Fourth Proportional to 21,209,050.63, 31,769,436.26 and 13,494,481.03

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Solution

The fourth proportional to 21,209,050.63, 31,769,436.26 and 13,494,481.03 is: 20,213,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,209,050.63 : 31,769,436.26 = 13,494,481.03 : x
  2. Step 2: Convert to fraction form
    21,209,050.63/31,769,436.26 = 13,494,481.03/x
  3. Step 3: Cross multiply
    21,209,050.63x = 31,769,436.26 × 13,494,481.03
  4. Step 4: Simplify right side
    21,209,050.63x = 428,712,055,017,812.12
  5. Step 5: Solve for x
    x = 428,712,055,017,812.12/21,209,050.63
  6. Step 6: Final answer
    x = 20,213,637.21

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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.