Home / 18,821,640.20-28,232,460.30-14,564,863.40

Finding the Fourth Proportional to 18,821,640.20, 28,232,460.30 and 14,564,863.40

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Solution

The fourth proportional to 18,821,640.20, 28,232,460.30 and 14,564,863.40 is: 21,847,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821,640.20 : 28,232,460.30 = 14,564,863.40 : x
  2. Step 2: Convert to fraction form
    18,821,640.20/28,232,460.30 = 14,564,863.40/x
  3. Step 3: Cross multiply
    18,821,640.20x = 28,232,460.30 × 14,564,863.40
  4. Step 4: Simplify right side
    18,821,640.20x = 411,201,927,715,423.06
  5. Step 5: Solve for x
    x = 411,201,927,715,423.06/18,821,640.20
  6. Step 6: Final answer
    x = 21,847,295.10

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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.