Home / 27,519,636.20-37,977,122.24-15,129,940.40

Finding the Fourth Proportional to 27,519,636.20, 37,977,122.24 and 15,129,940.40

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Solution

The fourth proportional to 27,519,636.20, 37,977,122.24 and 15,129,940.40 is: 20,879,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,519,636.20 : 37,977,122.24 = 15,129,940.40 : x
  2. Step 2: Convert to fraction form
    27,519,636.20/37,977,122.24 = 15,129,940.40/x
  3. Step 3: Cross multiply
    27,519,636.20x = 37,977,122.24 × 15,129,940.40
  4. Step 4: Simplify right side
    27,519,636.20x = 574,591,596,054,714.50
  5. Step 5: Solve for x
    x = 574,591,596,054,714.50/27,519,636.20
  6. Step 6: Final answer
    x = 20,879,331.10

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1.5x scale

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.