Home / 38,739,467.75-53,462,883.33-21,335,808.35

Finding the Fourth Proportional to 38,739,467.75, 53,462,883.33 and 21,335,808.35

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Solution

The fourth proportional to 38,739,467.75, 53,462,883.33 and 21,335,808.35 is: 29,444,747.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739,467.75 : 53,462,883.33 = 21,335,808.35 : x
  2. Step 2: Convert to fraction form
    38,739,467.75/53,462,883.33 = 21,335,808.35/x
  3. Step 3: Cross multiply
    38,739,467.75x = 53,462,883.33 × 21,335,808.35
  4. Step 4: Simplify right side
    38,739,467.75x = 1,140,673,832,700,947
  5. Step 5: Solve for x
    x = 1,140,673,832,700,947/38,739,467.75
  6. Step 6: Final answer
    x = 29,444,747.16

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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.