Home / 27,749,698.43-38,293,752.48-15,360,299.69

Finding the Fourth Proportional to 27,749,698.43, 38,293,752.48 and 15,360,299.69

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Solution

The fourth proportional to 27,749,698.43, 38,293,752.48 and 15,360,299.69 is: 21,196,753.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,749,698.43 : 38,293,752.48 = 15,360,299.69 : x
  2. Step 2: Convert to fraction form
    27,749,698.43/38,293,752.48 = 15,360,299.69/x
  3. Step 3: Cross multiply
    27,749,698.43x = 38,293,752.48 × 15,360,299.69
  4. Step 4: Simplify right side
    27,749,698.43x = 588,203,514,347,480.62
  5. Step 5: Solve for x
    x = 588,203,514,347,480.62/27,749,698.43
  6. Step 6: Final answer
    x = 21,196,753.39

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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.