Home / 38,081,706.88-52,554,262.35-21,336,590.86

Finding the Fourth Proportional to 38,081,706.88, 52,554,262.35 and 21,336,590.86

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Solution

The fourth proportional to 38,081,706.88, 52,554,262.35 and 21,336,590.86 is: 29,445,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,081,706.88 : 52,554,262.35 = 21,336,590.86 : x
  2. Step 2: Convert to fraction form
    38,081,706.88/52,554,262.35 = 21,336,590.86/x
  3. Step 3: Cross multiply
    38,081,706.88x = 52,554,262.35 × 21,336,590.86
  4. Step 4: Simplify right side
    38,081,706.88x = 1,121,328,793,711,052.12
  5. Step 5: Solve for x
    x = 1,121,328,793,711,052.12/38,081,706.88
  6. Step 6: Final answer
    x = 29,445,339.65

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Double scale
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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.