Home / 27,519,622.92-37,977,103.92-15,129,927.14

Finding the Fourth Proportional to 27,519,622.92, 37,977,103.92 and 15,129,927.14

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Solution

The fourth proportional to 27,519,622.92, 37,977,103.92 and 15,129,927.14 is: 20,879,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,519,622.92 : 37,977,103.92 = 15,129,927.14 : x
  2. Step 2: Convert to fraction form
    27,519,622.92/37,977,103.92 = 15,129,927.14/x
  3. Step 3: Cross multiply
    27,519,622.92x = 37,977,103.92 × 15,129,927.14
  4. Step 4: Simplify right side
    27,519,622.92x = 574,590,815,297,808.50
  5. Step 5: Solve for x
    x = 574,590,815,297,808.50/27,519,622.92
  6. Step 6: Final answer
    x = 20,879,312.81

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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.