Home / 38,765,110.53-53,496,211.31-21,362,078.55

Finding the Fourth Proportional to 38,765,110.53, 53,496,211.31 and 21,362,078.55

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Solution

The fourth proportional to 38,765,110.53, 53,496,211.31 and 21,362,078.55 is: 29,479,866.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765,110.53 : 53,496,211.31 = 21,362,078.55 : x
  2. Step 2: Convert to fraction form
    38,765,110.53/53,496,211.31 = 21,362,078.55/x
  3. Step 3: Cross multiply
    38,765,110.53x = 53,496,211.31 × 21,362,078.55
  4. Step 4: Simplify right side
    38,765,110.53x = 1,142,790,268,024,808
  5. Step 5: Solve for x
    x = 1,142,790,268,024,808/38,765,110.53
  6. Step 6: Final answer
    x = 29,479,866.11

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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.