Home / 20,225,963.60-30,294,708.60-15,702,750.80

Finding the Fourth Proportional to 20,225,963.60, 30,294,708.60 and 15,702,750.80

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Solution

The fourth proportional to 20,225,963.60, 30,294,708.60 and 15,702,750.80 is: 23,519,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225,963.60 : 30,294,708.60 = 15,702,750.80 : x
  2. Step 2: Convert to fraction form
    20,225,963.60/30,294,708.60 = 15,702,750.80/x
  3. Step 3: Cross multiply
    20,225,963.60x = 30,294,708.60 × 15,702,750.80
  4. Step 4: Simplify right side
    20,225,963.60x = 475,710,259,704,416.94
  5. Step 5: Solve for x
    x = 475,710,259,704,416.94/20,225,963.60
  6. Step 6: Final answer
    x = 23,519,782.25

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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.