Home / 39,763,089.60-59,644,634.40-20,631,213.60

Finding the Fourth Proportional to 39,763,089.60, 59,644,634.40 and 20,631,213.60

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Solution

The fourth proportional to 39,763,089.60, 59,644,634.40 and 20,631,213.60 is: 30,946,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,763,089.60 : 59,644,634.40 = 20,631,213.60 : x
  2. Step 2: Convert to fraction form
    39,763,089.60/59,644,634.40 = 20,631,213.60/x
  3. Step 3: Cross multiply
    39,763,089.60x = 59,644,634.40 × 20,631,213.60
  4. Step 4: Simplify right side
    39,763,089.60x = 1,230,541,192,400,308
  5. Step 5: Solve for x
    x = 1,230,541,192,400,308/39,763,089.60
  6. Step 6: Final answer
    x = 30,946,820.40

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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.