Home / 20,804,009.10-31,193,572.05-10,726,313.10

Finding the Fourth Proportional to 20,804,009.10, 31,193,572.05 and 10,726,313.10

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Solution

The fourth proportional to 20,804,009.10, 31,193,572.05 and 10,726,313.10 is: 16,083,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,009.10 : 31,193,572.05 = 10,726,313.10 : x
  2. Step 2: Convert to fraction form
    20,804,009.10/31,193,572.05 = 10,726,313.10/x
  3. Step 3: Cross multiply
    20,804,009.10x = 31,193,572.05 × 10,726,313.10
  4. Step 4: Simplify right side
    20,804,009.10x = 334,592,020,515,708.88
  5. Step 5: Solve for x
    x = 334,592,020,515,708.88/20,804,009.10
  6. Step 6: Final answer
    x = 16,083,054.90

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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.