Home / 21,762,016.88-30,031,582.68-11,972,250.36

Finding the Fourth Proportional to 21,762,016.88, 30,031,582.68 and 11,972,250.36

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Solution

The fourth proportional to 21,762,016.88, 30,031,582.68 and 11,972,250.36 is: 16,521,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762,016.88 : 30,031,582.68 = 11,972,250.36 : x
  2. Step 2: Convert to fraction form
    21,762,016.88/30,031,582.68 = 11,972,250.36/x
  3. Step 3: Cross multiply
    21,762,016.88x = 30,031,582.68 × 11,972,250.36
  4. Step 4: Simplify right side
    21,762,016.88x = 359,545,626,551,999.75
  5. Step 5: Solve for x
    x = 359,545,626,551,999.75/21,762,016.88
  6. Step 6: Final answer
    x = 16,521,705.16

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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.