Home / 12,922,980.22-17,833,713.06-7,121,761.96

Finding the Fourth Proportional to 12,922,980.22, 17,833,713.06 and 7,121,761.96

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Solution

The fourth proportional to 12,922,980.22, 17,833,713.06 and 7,121,761.96 is: 9,828,031.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922,980.22 : 17,833,713.06 = 7,121,761.96 : x
  2. Step 2: Convert to fraction form
    12,922,980.22/17,833,713.06 = 7,121,761.96/x
  3. Step 3: Cross multiply
    12,922,980.22x = 17,833,713.06 × 7,121,761.96
  4. Step 4: Simplify right side
    12,922,980.22x = 127,007,459,291,823.72
  5. Step 5: Solve for x
    x = 127,007,459,291,823.72/12,922,980.22
  6. Step 6: Final answer
    x = 9,828,031.71

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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.