Home / 12,817,516.20-19,226,274.30-12,369,618.60

Finding the Fourth Proportional to 12,817,516.20, 19,226,274.30 and 12,369,618.60

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Solution

The fourth proportional to 12,817,516.20, 19,226,274.30 and 12,369,618.60 is: 18,554,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817,516.20 : 19,226,274.30 = 12,369,618.60 : x
  2. Step 2: Convert to fraction form
    12,817,516.20/19,226,274.30 = 12,369,618.60/x
  3. Step 3: Cross multiply
    12,817,516.20x = 19,226,274.30 × 12,369,618.60
  4. Step 4: Simplify right side
    12,817,516.20x = 237,821,680,189,981.97
  5. Step 5: Solve for x
    x = 237,821,680,189,981.97/12,817,516.20
  6. Step 6: Final answer
    x = 18,554,427.90

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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.