Home / 11,457,956.81-15,853,617.71-9,990,924.49

Finding the Fourth Proportional to 11,457,956.81, 15,853,617.71 and 9,990,924.49

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Solution

The fourth proportional to 11,457,956.81, 15,853,617.71 and 9,990,924.49 is: 13,823,782.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,457,956.81 : 15,853,617.71 = 9,990,924.49 : x
  2. Step 2: Convert to fraction form
    11,457,956.81/15,853,617.71 = 9,990,924.49/x
  3. Step 3: Cross multiply
    11,457,956.81x = 15,853,617.71 × 9,990,924.49
  4. Step 4: Simplify right side
    11,457,956.81x = 158,392,297,392,134.59
  5. Step 5: Solve for x
    x = 158,392,297,392,134.59/11,457,956.81
  6. Step 6: Final answer
    x = 13,823,782.02

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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.