Home / 8,695,968.36-12,985,394.13-7,101,694.12

Finding the Fourth Proportional to 8,695,968.36, 12,985,394.13 and 7,101,694.12

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Solution

The fourth proportional to 8,695,968.36, 12,985,394.13 and 7,101,694.12 is: 10,604,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695,968.36 : 12,985,394.13 = 7,101,694.12 : x
  2. Step 2: Convert to fraction form
    8,695,968.36/12,985,394.13 = 7,101,694.12/x
  3. Step 3: Cross multiply
    8,695,968.36x = 12,985,394.13 × 7,101,694.12
  4. Step 4: Simplify right side
    8,695,968.36x = 92,218,297,138,903.52
  5. Step 5: Solve for x
    x = 92,218,297,138,903.52/8,695,968.36
  6. Step 6: Final answer
    x = 10,604,718.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.