Home / 13,256,768.01-18,292,201.64-7,455,203.76

Finding the Fourth Proportional to 13,256,768.01, 18,292,201.64 and 7,455,203.76

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Solution

The fourth proportional to 13,256,768.01, 18,292,201.64 and 7,455,203.76 is: 10,286,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256,768.01 : 18,292,201.64 = 7,455,203.76 : x
  2. Step 2: Convert to fraction form
    13,256,768.01/18,292,201.64 = 7,455,203.76/x
  3. Step 3: Cross multiply
    13,256,768.01x = 18,292,201.64 × 7,455,203.76
  4. Step 4: Simplify right side
    13,256,768.01x = 136,372,090,442,546.62
  5. Step 5: Solve for x
    x = 136,372,090,442,546.62/13,256,768.01
  6. Step 6: Final answer
    x = 10,286,978.72

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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.