Home / 9,295,940.10-12,828,708.85-5,166,145.31

Finding the Fourth Proportional to 9,295,940.10, 12,828,708.85 and 5,166,145.31

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Solution

The fourth proportional to 9,295,940.10, 12,828,708.85 and 5,166,145.31 is: 7,129,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295,940.10 : 12,828,708.85 = 5,166,145.31 : x
  2. Step 2: Convert to fraction form
    9,295,940.10/12,828,708.85 = 5,166,145.31/x
  3. Step 3: Cross multiply
    9,295,940.10x = 12,828,708.85 × 5,166,145.31
  4. Step 4: Simplify right side
    9,295,940.10x = 66,274,974,077,939.41
  5. Step 5: Solve for x
    x = 66,274,974,077,939.41/9,295,940.10
  6. Step 6: Final answer
    x = 7,129,453.65

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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.