Home / 27,778,339.52-38,334,103.20-15,389,238.08

Finding the Fourth Proportional to 27,778,339.52, 38,334,103.20 and 15,389,238.08

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Solution

The fourth proportional to 27,778,339.52, 38,334,103.20 and 15,389,238.08 is: 21,237,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,778,339.52 : 38,334,103.20 = 15,389,238.08 : x
  2. Step 2: Convert to fraction form
    27,778,339.52/38,334,103.20 = 15,389,238.08/x
  3. Step 3: Cross multiply
    27,778,339.52x = 38,334,103.20 × 15,389,238.08
  4. Step 4: Simplify right side
    27,778,339.52x = 589,932,640,728,089.88
  5. Step 5: Solve for x
    x = 589,932,640,728,089.88/27,778,339.52
  6. Step 6: Final answer
    x = 21,237,145.59

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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.