Home / 12,942,326.44-17,860,505.97-7,141,323.52

Finding the Fourth Proportional to 12,942,326.44, 17,860,505.97 and 7,141,323.52

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Solution

The fourth proportional to 12,942,326.44, 17,860,505.97 and 7,141,323.52 is: 9,855,079.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,326.44 : 17,860,505.97 = 7,141,323.52 : x
  2. Step 2: Convert to fraction form
    12,942,326.44/17,860,505.97 = 7,141,323.52/x
  3. Step 3: Cross multiply
    12,942,326.44x = 17,860,505.97 × 7,141,323.52
  4. Step 4: Simplify right side
    12,942,326.44x = 127,547,651,362,661.39
  5. Step 5: Solve for x
    x = 127,547,651,362,661.39/12,942,326.44
  6. Step 6: Final answer
    x = 9,855,079.14

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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.