Home / 38,506,974.56-53,138,422.56-21,103,003.52

Finding the Fourth Proportional to 38,506,974.56, 53,138,422.56 and 21,103,003.52

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Solution

The fourth proportional to 38,506,974.56, 53,138,422.56 and 21,103,003.52 is: 29,121,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,506,974.56 : 53,138,422.56 = 21,103,003.52 : x
  2. Step 2: Convert to fraction form
    38,506,974.56/53,138,422.56 = 21,103,003.52/x
  3. Step 3: Cross multiply
    38,506,974.56x = 53,138,422.56 × 21,103,003.52
  4. Step 4: Simplify right side
    38,506,974.56x = 1,121,380,318,330,927.50
  5. Step 5: Solve for x
    x = 1,121,380,318,330,927.50/38,506,974.56
  6. Step 6: Final answer
    x = 29,121,485.94

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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.