Home / 13,303,389.64-19,962,568.86-7,238,558.92

Finding the Fourth Proportional to 13,303,389.64, 19,962,568.86 and 7,238,558.92

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Solution

The fourth proportional to 13,303,389.64, 19,962,568.86 and 7,238,558.92 is: 10,861,910.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,389.64 : 19,962,568.86 = 7,238,558.92 : x
  2. Step 2: Convert to fraction form
    13,303,389.64/19,962,568.86 = 7,238,558.92/x
  3. Step 3: Cross multiply
    13,303,389.64x = 19,962,568.86 × 7,238,558.92
  4. Step 4: Simplify right side
    13,303,389.64x = 144,500,230,887,667.22
  5. Step 5: Solve for x
    x = 144,500,230,887,667.22/13,303,389.64
  6. Step 6: Final answer
    x = 10,861,910.75

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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.