Home / 18,533,863.80-27,800,795.70-4,886,983.80

Finding the Fourth Proportional to 18,533,863.80, 27,800,795.70 and 4,886,983.80

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Solution

The fourth proportional to 18,533,863.80, 27,800,795.70 and 4,886,983.80 is: 7,330,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533,863.80 : 27,800,795.70 = 4,886,983.80 : x
  2. Step 2: Convert to fraction form
    18,533,863.80/27,800,795.70 = 4,886,983.80/x
  3. Step 3: Cross multiply
    18,533,863.80x = 27,800,795.70 × 4,886,983.80
  4. Step 4: Simplify right side
    18,533,863.80x = 135,862,038,213,009.66
  5. Step 5: Solve for x
    x = 135,862,038,213,009.66/18,533,863.80
  6. Step 6: Final answer
    x = 7,330,475.70

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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.