Home / 27,519,621.23-37,977,101.60-15,129,925.44

Finding the Fourth Proportional to 27,519,621.23, 37,977,101.60 and 15,129,925.44

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Solution

The fourth proportional to 27,519,621.23, 37,977,101.60 and 15,129,925.44 is: 20,879,310.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,519,621.23 : 37,977,101.60 = 15,129,925.44 : x
  2. Step 2: Convert to fraction form
    27,519,621.23/37,977,101.60 = 15,129,925.44/x
  3. Step 3: Cross multiply
    27,519,621.23x = 37,977,101.60 × 15,129,925.44
  4. Step 4: Simplify right side
    27,519,621.23x = 574,590,715,559,655
  5. Step 5: Solve for x
    x = 574,590,715,559,655/27,519,621.23
  6. Step 6: Final answer
    x = 20,879,310.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.