Home / 38,765,110.03-53,496,210.62-21,362,078.05

Finding the Fourth Proportional to 38,765,110.03, 53,496,210.62 and 21,362,078.05

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Solution

The fourth proportional to 38,765,110.03, 53,496,210.62 and 21,362,078.05 is: 29,479,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765,110.03 : 53,496,210.62 = 21,362,078.05 : x
  2. Step 2: Convert to fraction form
    38,765,110.03/53,496,210.62 = 21,362,078.05/x
  3. Step 3: Cross multiply
    38,765,110.03x = 53,496,210.62 × 21,362,078.05
  4. Step 4: Simplify right side
    38,765,110.03x = 1,142,790,226,643,678.75
  5. Step 5: Solve for x
    x = 1,142,790,226,643,678.75/38,765,110.03
  6. Step 6: Final answer
    x = 29,479,865.42

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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.