Home / 13,057,667.51-18,018,150.27-7,550,208.90

Finding the Fourth Proportional to 13,057,667.51, 18,018,150.27 and 7,550,208.90

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Solution

The fourth proportional to 13,057,667.51, 18,018,150.27 and 7,550,208.90 is: 10,418,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,667.51 : 18,018,150.27 = 7,550,208.90 : x
  2. Step 2: Convert to fraction form
    13,057,667.51/18,018,150.27 = 7,550,208.90/x
  3. Step 3: Cross multiply
    13,057,667.51x = 18,018,150.27 × 7,550,208.90
  4. Step 4: Simplify right side
    13,057,667.51x = 136,040,798,530,091.41
  5. Step 5: Solve for x
    x = 136,040,798,530,091.41/13,057,667.51
  6. Step 6: Final answer
    x = 10,418,460.91

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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.