Home / 27,318,644.20-40,889,492.70-19,356,020.20

Finding the Fourth Proportional to 27,318,644.20, 40,889,492.70 and 19,356,020.20

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Solution

The fourth proportional to 27,318,644.20, 40,889,492.70 and 19,356,020.20 is: 28,971,344.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318,644.20 : 40,889,492.70 = 19,356,020.20 : x
  2. Step 2: Convert to fraction form
    27,318,644.20/40,889,492.70 = 19,356,020.20/x
  3. Step 3: Cross multiply
    27,318,644.20x = 40,889,492.70 × 19,356,020.20
  4. Step 4: Simplify right side
    27,318,644.20x = 791,457,846,668,952.62
  5. Step 5: Solve for x
    x = 791,457,846,668,952.62/27,318,644.20
  6. Step 6: Final answer
    x = 28,971,344.29

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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.