Home / 12,974,078.97-17,904,602.73-7,173,235.21

Finding the Fourth Proportional to 12,974,078.97, 17,904,602.73 and 7,173,235.21

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Solution

The fourth proportional to 12,974,078.97, 17,904,602.73 and 7,173,235.21 is: 9,899,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,078.97 : 17,904,602.73 = 7,173,235.21 : x
  2. Step 2: Convert to fraction form
    12,974,078.97/17,904,602.73 = 7,173,235.21/x
  3. Step 3: Cross multiply
    12,974,078.97x = 17,904,602.73 × 7,173,235.21
  4. Step 4: Simplify right side
    12,974,078.97x = 128,433,926,723,898.12
  5. Step 5: Solve for x
    x = 128,433,926,723,898.12/12,974,078.97
  6. Step 6: Final answer
    x = 9,899,271.23

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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.