Home / 13,302,738.52-18,357,771.90-7,191,178.36

Finding the Fourth Proportional to 13,302,738.52, 18,357,771.90 and 7,191,178.36

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Solution

The fourth proportional to 13,302,738.52, 18,357,771.90 and 7,191,178.36 is: 9,923,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302,738.52 : 18,357,771.90 = 7,191,178.36 : x
  2. Step 2: Convert to fraction form
    13,302,738.52/18,357,771.90 = 7,191,178.36/x
  3. Step 3: Cross multiply
    13,302,738.52x = 18,357,771.90 × 7,191,178.36
  4. Step 4: Simplify right side
    13,302,738.52x = 132,014,012,025,096.08
  5. Step 5: Solve for x
    x = 132,014,012,025,096.08/13,302,738.52
  6. Step 6: Final answer
    x = 9,923,822.21

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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.