Home / 14,652,514.39-20,221,680.36-8,128,247.35

Finding the Fourth Proportional to 14,652,514.39, 20,221,680.36 and 8,128,247.35

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Solution

The fourth proportional to 14,652,514.39, 20,221,680.36 and 8,128,247.35 is: 11,217,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,514.39 : 20,221,680.36 = 8,128,247.35 : x
  2. Step 2: Convert to fraction form
    14,652,514.39/20,221,680.36 = 8,128,247.35/x
  3. Step 3: Cross multiply
    14,652,514.39x = 20,221,680.36 × 8,128,247.35
  4. Step 4: Simplify right side
    14,652,514.39x = 164,366,819,798,717.03
  5. Step 5: Solve for x
    x = 164,366,819,798,717.03/14,652,514.39
  6. Step 6: Final answer
    x = 11,217,652.85

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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.