Home / 13,443,391.12-20,164,983-3,345,944.08

Finding the Fourth Proportional to 13,443,391.12, 20,164,983 and 3,345,944.08

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Solution

The fourth proportional to 13,443,391.12, 20,164,983 and 3,345,944.08 is: 5,018,890.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,391.12 : 20,164,983 = 3,345,944.08 : x
  2. Step 2: Convert to fraction form
    13,443,391.12/20,164,983 = 3,345,944.08/x
  3. Step 3: Cross multiply
    13,443,391.12x = 20,164,983 × 3,345,944.08
  4. Step 4: Simplify right side
    13,443,391.12x = 67,470,905,492,150.64
  5. Step 5: Solve for x
    x = 67,470,905,492,150.64/13,443,391.12
  6. Step 6: Final answer
    x = 5,018,890.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.