Home / 49,938,021.20-74,907,031.80-15,862,811.60

Finding the Fourth Proportional to 49,938,021.20, 74,907,031.80 and 15,862,811.60

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Solution

The fourth proportional to 49,938,021.20, 74,907,031.80 and 15,862,811.60 is: 23,794,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,938,021.20 : 74,907,031.80 = 15,862,811.60 : x
  2. Step 2: Convert to fraction form
    49,938,021.20/74,907,031.80 = 15,862,811.60/x
  3. Step 3: Cross multiply
    49,938,021.20x = 74,907,031.80 × 15,862,811.60
  4. Step 4: Simplify right side
    49,938,021.20x = 1,188,236,132,958,608.75
  5. Step 5: Solve for x
    x = 1,188,236,132,958,608.75/49,938,021.20
  6. Step 6: Final answer
    x = 23,794,217.40

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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.