Home / 38,670,497.43-53,364,221.19-21,266,840.81

Finding the Fourth Proportional to 38,670,497.43, 53,364,221.19 and 21,266,840.81

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Solution

The fourth proportional to 38,670,497.43, 53,364,221.19 and 21,266,840.81 is: 29,347,654.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,670,497.43 : 53,364,221.19 = 21,266,840.81 : x
  2. Step 2: Convert to fraction form
    38,670,497.43/53,364,221.19 = 21,266,840.81/x
  3. Step 3: Cross multiply
    38,670,497.43x = 53,364,221.19 × 21,266,840.81
  4. Step 4: Simplify right side
    38,670,497.43x = 1,134,888,396,730,537.50
  5. Step 5: Solve for x
    x = 1,134,888,396,730,537.50/38,670,497.43
  6. Step 6: Final answer
    x = 29,347,654.47

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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.