Home / 13,311,076.72-18,369,269.76-7,199,490.64

Finding the Fourth Proportional to 13,311,076.72, 18,369,269.76 and 7,199,490.64

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Solution

The fourth proportional to 13,311,076.72, 18,369,269.76 and 7,199,490.64 is: 9,935,288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311,076.72 : 18,369,269.76 = 7,199,490.64 : x
  2. Step 2: Convert to fraction form
    13,311,076.72/18,369,269.76 = 7,199,490.64/x
  3. Step 3: Cross multiply
    13,311,076.72x = 18,369,269.76 × 7,199,490.64
  4. Step 4: Simplify right side
    13,311,076.72x = 132,249,385,700,755.05
  5. Step 5: Solve for x
    x = 132,249,385,700,755.05/13,311,076.72
  6. Step 6: Final answer
    x = 9,935,288.37

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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.