Home / 25,938,968.55-38,907,832.56-8,431,503.78

Finding the Fourth Proportional to 25,938,968.55, 38,907,832.56 and 8,431,503.78

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Solution

The fourth proportional to 25,938,968.55, 38,907,832.56 and 8,431,503.78 is: 12,647,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,938,968.55 : 38,907,832.56 = 8,431,503.78 : x
  2. Step 2: Convert to fraction form
    25,938,968.55/38,907,832.56 = 8,431,503.78/x
  3. Step 3: Cross multiply
    25,938,968.55x = 38,907,832.56 × 8,431,503.78
  4. Step 4: Simplify right side
    25,938,968.55x = 328,051,537,301,247.06
  5. Step 5: Solve for x
    x = 328,051,537,301,247.06/25,938,968.55
  6. Step 6: Final answer
    x = 12,647,054.05

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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.