Home / 21,937,020.92-30,272,720.09-12,147,254.98

Finding the Fourth Proportional to 21,937,020.92, 30,272,720.09 and 12,147,254.98

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Solution

The fourth proportional to 21,937,020.92, 30,272,720.09 and 12,147,254.98 is: 16,763,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,937,020.92 : 30,272,720.09 = 12,147,254.98 : x
  2. Step 2: Convert to fraction form
    21,937,020.92/30,272,720.09 = 12,147,254.98/x
  3. Step 3: Cross multiply
    21,937,020.92x = 30,272,720.09 × 12,147,254.98
  4. Step 4: Simplify right side
    21,937,020.92x = 367,730,449,734,980.44
  5. Step 5: Solve for x
    x = 367,730,449,734,980.44/21,937,020.92
  6. Step 6: Final answer
    x = 16,763,007.66

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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.