Home / 27,725,682.75-38,258,874.52-15,335,509.50

Finding the Fourth Proportional to 27,725,682.75, 38,258,874.52 and 15,335,509.50

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Solution

The fourth proportional to 27,725,682.75, 38,258,874.52 and 15,335,509.50 is: 21,161,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725,682.75 : 38,258,874.52 = 15,335,509.50 : x
  2. Step 2: Convert to fraction form
    27,725,682.75/38,258,874.52 = 15,335,509.50/x
  3. Step 3: Cross multiply
    27,725,682.75x = 38,258,874.52 × 15,335,509.50
  4. Step 4: Simplify right side
    27,725,682.75x = 586,719,333,775,584.50
  5. Step 5: Solve for x
    x = 586,719,333,775,584.50/27,725,682.75
  6. Step 6: Final answer
    x = 21,161,582.89

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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.