Home / 14,369,905.20-21,554,857.80-12,217,569.15

Finding the Fourth Proportional to 14,369,905.20, 21,554,857.80 and 12,217,569.15

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Solution

The fourth proportional to 14,369,905.20, 21,554,857.80 and 12,217,569.15 is: 18,326,353.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,369,905.20 : 21,554,857.80 = 12,217,569.15 : x
  2. Step 2: Convert to fraction form
    14,369,905.20/21,554,857.80 = 12,217,569.15/x
  3. Step 3: Cross multiply
    14,369,905.20x = 21,554,857.80 × 12,217,569.15
  4. Step 4: Simplify right side
    14,369,905.20x = 263,347,965,689,916.88
  5. Step 5: Solve for x
    x = 263,347,965,689,916.88/14,369,905.20
  6. Step 6: Final answer
    x = 18,326,353.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.