Home / 38,661,080.58-53,352,489.78-21,258,548.10

Finding the Fourth Proportional to 38,661,080.58, 53,352,489.78 and 21,258,548.10

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Solution

The fourth proportional to 38,661,080.58, 53,352,489.78 and 21,258,548.10 is: 29,336,905.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661,080.58 : 53,352,489.78 = 21,258,548.10 : x
  2. Step 2: Convert to fraction form
    38,661,080.58/53,352,489.78 = 21,258,548.10/x
  3. Step 3: Cross multiply
    38,661,080.58x = 53,352,489.78 × 21,258,548.10
  4. Step 4: Simplify right side
    38,661,080.58x = 1,134,196,470,242,888.50
  5. Step 5: Solve for x
    x = 1,134,196,470,242,888.50/38,661,080.58
  6. Step 6: Final answer
    x = 29,336,905.57

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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.