Home / 21,935,579.82-30,272,013.18-12,146,023.74

Finding the Fourth Proportional to 21,935,579.82, 30,272,013.18 and 12,146,023.74

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Solution

The fourth proportional to 21,935,579.82, 30,272,013.18 and 12,146,023.74 is: 16,762,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935,579.82 : 30,272,013.18 = 12,146,023.74 : x
  2. Step 2: Convert to fraction form
    21,935,579.82/30,272,013.18 = 12,146,023.74/x
  3. Step 3: Cross multiply
    21,935,579.82x = 30,272,013.18 × 12,146,023.74
  4. Step 4: Simplify right side
    21,935,579.82x = 367,684,590,741,872.88
  5. Step 5: Solve for x
    x = 367,684,590,741,872.88/21,935,579.82
  6. Step 6: Final answer
    x = 16,762,018.32

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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.