Home / 18,612,325.45-25,684,640.80-10,352,210.05

Finding the Fourth Proportional to 18,612,325.45, 25,684,640.80 and 10,352,210.05

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Solution

The fourth proportional to 18,612,325.45, 25,684,640.80 and 10,352,210.05 is: 14,285,845.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612,325.45 : 25,684,640.80 = 10,352,210.05 : x
  2. Step 2: Convert to fraction form
    18,612,325.45/25,684,640.80 = 10,352,210.05/x
  3. Step 3: Cross multiply
    18,612,325.45x = 25,684,640.80 × 10,352,210.05
  4. Step 4: Simplify right side
    18,612,325.45x = 265,892,796,620,400.06
  5. Step 5: Solve for x
    x = 265,892,796,620,400.06/18,612,325.45
  6. Step 6: Final answer
    x = 14,285,845.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.