Home / 12,828,701.07-17,703,610.80-7,027,689.06

Finding the Fourth Proportional to 12,828,701.07, 17,703,610.80 and 7,027,689.06

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Solution

The fourth proportional to 12,828,701.07, 17,703,610.80 and 7,027,689.06 is: 9,698,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828,701.07 : 17,703,610.80 = 7,027,689.06 : x
  2. Step 2: Convert to fraction form
    12,828,701.07/17,703,610.80 = 7,027,689.06/x
  3. Step 3: Cross multiply
    12,828,701.07x = 17,703,610.80 × 7,027,689.06
  4. Step 4: Simplify right side
    12,828,701.07x = 124,415,471,941,657.84
  5. Step 5: Solve for x
    x = 124,415,471,941,657.84/12,828,701.07
  6. Step 6: Final answer
    x = 9,698,212.72

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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.