Home / 38,054,071.05-52,514,755.70-20,650,411.65

Finding the Fourth Proportional to 38,054,071.05, 52,514,755.70 and 20,650,411.65

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Solution

The fourth proportional to 38,054,071.05, 52,514,755.70 and 20,650,411.65 is: 28,497,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,054,071.05 : 52,514,755.70 = 20,650,411.65 : x
  2. Step 2: Convert to fraction form
    38,054,071.05/52,514,755.70 = 20,650,411.65/x
  3. Step 3: Cross multiply
    38,054,071.05x = 52,514,755.70 × 20,650,411.65
  4. Step 4: Simplify right side
    38,054,071.05x = 1,084,451,323,114,020.75
  5. Step 5: Solve for x
    x = 1,084,451,323,114,020.75/38,054,071.05
  6. Step 6: Final answer
    x = 28,497,642.78

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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.