Home / 43,546,642.22-65,321,378.06-12,838,646.48

Finding the Fourth Proportional to 43,546,642.22, 65,321,378.06 and 12,838,646.48

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Solution

The fourth proportional to 43,546,642.22, 65,321,378.06 and 12,838,646.48 is: 19,258,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,546,642.22 : 65,321,378.06 = 12,838,646.48 : x
  2. Step 2: Convert to fraction form
    43,546,642.22/65,321,378.06 = 12,838,646.48/x
  3. Step 3: Cross multiply
    43,546,642.22x = 65,321,378.06 × 12,838,646.48
  4. Step 4: Simplify right side
    43,546,642.22x = 838,638,080,498,768.25
  5. Step 5: Solve for x
    x = 838,638,080,498,768.25/43,546,642.22
  6. Step 6: Final answer
    x = 19,258,386.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.