Home / 27,681,235.51-38,200,425.59-15,291,072.26

Finding the Fourth Proportional to 27,681,235.51, 38,200,425.59 and 15,291,072.26

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Solution

The fourth proportional to 27,681,235.51, 38,200,425.59 and 15,291,072.26 is: 21,101,856.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681,235.51 : 38,200,425.59 = 15,291,072.26 : x
  2. Step 2: Convert to fraction form
    27,681,235.51/38,200,425.59 = 15,291,072.26/x
  3. Step 3: Cross multiply
    27,681,235.51x = 38,200,425.59 × 15,291,072.26
  4. Step 4: Simplify right side
    27,681,235.51x = 584,125,468,059,443.12
  5. Step 5: Solve for x
    x = 584,125,468,059,443.12/27,681,235.51
  6. Step 6: Final answer
    x = 21,101,856.81

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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.