Home / 18,185,263.20-25,099,971.12-10,454,796.54

Finding the Fourth Proportional to 18,185,263.20, 25,099,971.12 and 10,454,796.54

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Solution

The fourth proportional to 18,185,263.20, 25,099,971.12 and 10,454,796.54 is: 14,430,095.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185,263.20 : 25,099,971.12 = 10,454,796.54 : x
  2. Step 2: Convert to fraction form
    18,185,263.20/25,099,971.12 = 10,454,796.54/x
  3. Step 3: Cross multiply
    18,185,263.20x = 25,099,971.12 × 10,454,796.54
  4. Step 4: Simplify right side
    18,185,263.20x = 262,415,091,219,475.91
  5. Step 5: Solve for x
    x = 262,415,091,219,475.91/18,185,263.20
  6. Step 6: Final answer
    x = 14,430,095.86

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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.