Home / 21,937,018.20-30,273,066.09-12,147,461.88

Finding the Fourth Proportional to 21,937,018.20, 30,273,066.09 and 12,147,461.88

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Solution

The fourth proportional to 21,937,018.20, 30,273,066.09 and 12,147,461.88 is: 16,763,486.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,937,018.20 : 30,273,066.09 = 12,147,461.88 : x
  2. Step 2: Convert to fraction form
    21,937,018.20/30,273,066.09 = 12,147,461.88/x
  3. Step 3: Cross multiply
    21,937,018.20x = 30,273,066.09 × 12,147,461.88
  4. Step 4: Simplify right side
    21,937,018.20x = 367,740,916,318,995.69
  5. Step 5: Solve for x
    x = 367,740,916,318,995.69/21,937,018.20
  6. Step 6: Final answer
    x = 16,763,486.86

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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.