Home / 27,708,346.80-38,238,699.48-15,485,203.44

Finding the Fourth Proportional to 27,708,346.80, 38,238,699.48 and 15,485,203.44

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Solution

The fourth proportional to 27,708,346.80, 38,238,699.48 and 15,485,203.44 is: 21,370,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708,346.80 : 38,238,699.48 = 15,485,203.44 : x
  2. Step 2: Convert to fraction form
    27,708,346.80/38,238,699.48 = 15,485,203.44/x
  3. Step 3: Cross multiply
    27,708,346.80x = 38,238,699.48 × 15,485,203.44
  4. Step 4: Simplify right side
    27,708,346.80x = 592,134,040,728,822.12
  5. Step 5: Solve for x
    x = 592,134,040,728,822.12/27,708,346.80
  6. Step 6: Final answer
    x = 21,370,240.71

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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.