Home / 13,777,771.23-19,012,974.36-7,498,031.62

Finding the Fourth Proportional to 13,777,771.23, 19,012,974.36 and 7,498,031.62

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Solution

The fourth proportional to 13,777,771.23, 19,012,974.36 and 7,498,031.62 is: 10,347,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777,771.23 : 19,012,974.36 = 7,498,031.62 : x
  2. Step 2: Convert to fraction form
    13,777,771.23/19,012,974.36 = 7,498,031.62/x
  3. Step 3: Cross multiply
    13,777,771.23x = 19,012,974.36 × 7,498,031.62
  4. Step 4: Simplify right side
    13,777,771.23x = 142,559,882,941,529.25
  5. Step 5: Solve for x
    x = 142,559,882,941,529.25/13,777,771.23
  6. Step 6: Final answer
    x = 10,347,093.20

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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.