Home / 38,345,780.48-52,917,486.72-21,176,372.48

Finding the Fourth Proportional to 38,345,780.48, 52,917,486.72 and 21,176,372.48

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Solution

The fourth proportional to 38,345,780.48, 52,917,486.72 and 21,176,372.48 is: 29,223,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,345,780.48 : 52,917,486.72 = 21,176,372.48 : x
  2. Step 2: Convert to fraction form
    38,345,780.48/52,917,486.72 = 21,176,372.48/x
  3. Step 3: Cross multiply
    38,345,780.48x = 52,917,486.72 × 21,176,372.48
  4. Step 4: Simplify right side
    38,345,780.48x = 1,120,600,409,488,173.50
  5. Step 5: Solve for x
    x = 1,120,600,409,488,173.50/38,345,780.48
  6. Step 6: Final answer
    x = 29,223,565.03

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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.