Home / 21,167,052.40-29,223,054.44-13,333,279.92

Finding the Fourth Proportional to 21,167,052.40, 29,223,054.44 and 13,333,279.92

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Solution

The fourth proportional to 21,167,052.40, 29,223,054.44 and 13,333,279.92 is: 18,407,814.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167,052.40 : 29,223,054.44 = 13,333,279.92 : x
  2. Step 2: Convert to fraction form
    21,167,052.40/29,223,054.44 = 13,333,279.92/x
  3. Step 3: Cross multiply
    21,167,052.40x = 29,223,054.44 × 13,333,279.92
  4. Step 4: Simplify right side
    21,167,052.40x = 389,639,164,965,918.88
  5. Step 5: Solve for x
    x = 389,639,164,965,918.88/21,167,052.40
  6. Step 6: Final answer
    x = 18,407,814.07

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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.