Home / 21,762,060.75-30,031,643.30-11,972,294.37

Finding the Fourth Proportional to 21,762,060.75, 30,031,643.30 and 11,972,294.37

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Solution

The fourth proportional to 21,762,060.75, 30,031,643.30 and 11,972,294.37 is: 16,521,765.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762,060.75 : 30,031,643.30 = 11,972,294.37 : x
  2. Step 2: Convert to fraction form
    21,762,060.75/30,031,643.30 = 11,972,294.37/x
  3. Step 3: Cross multiply
    21,762,060.75x = 30,031,643.30 × 11,972,294.37
  4. Step 4: Simplify right side
    21,762,060.75x = 359,547,673,942,576.75
  5. Step 5: Solve for x
    x = 359,547,673,942,576.75/21,762,060.75
  6. Step 6: Final answer
    x = 16,521,765.93

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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.