Home / 15,569,750.88-21,299,529.12-15,504,172.80

Finding the Fourth Proportional to 15,569,750.88, 21,299,529.12 and 15,504,172.80

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Solution

The fourth proportional to 15,569,750.88, 21,299,529.12 and 15,504,172.80 is: 21,209,817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,569,750.88 : 21,299,529.12 = 15,504,172.80 : x
  2. Step 2: Convert to fraction form
    15,569,750.88/21,299,529.12 = 15,504,172.80/x
  3. Step 3: Cross multiply
    15,569,750.88x = 21,299,529.12 × 15,504,172.80
  4. Step 4: Simplify right side
    15,569,750.88x = 330,231,580,035,111.94
  5. Step 5: Solve for x
    x = 330,231,580,035,111.94/15,569,750.88
  6. Step 6: Final answer
    x = 21,209,817.84

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.