Home / 7,436,428.40-11,154,412.20-2,117,644.40

Finding the Fourth Proportional to 7,436,428.40, 11,154,412.20 and 2,117,644.40

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Solution

The fourth proportional to 7,436,428.40, 11,154,412.20 and 2,117,644.40 is: 3,176,400.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436,428.40 : 11,154,412.20 = 2,117,644.40 : x
  2. Step 2: Convert to fraction form
    7,436,428.40/11,154,412.20 = 2,117,644.40/x
  3. Step 3: Cross multiply
    7,436,428.40x = 11,154,412.20 × 2,117,644.40
  4. Step 4: Simplify right side
    7,436,428.40x = 23,621,078,530,621.68
  5. Step 5: Solve for x
    x = 23,621,078,530,621.68/7,436,428.40
  6. Step 6: Final answer
    x = 3,176,400.99

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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.