Home / 12,661,881.82-17,473,343.77-6,860,686.64

Finding the Fourth Proportional to 12,661,881.82, 17,473,343.77 and 6,860,686.64

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Solution

The fourth proportional to 12,661,881.82, 17,473,343.77 and 6,860,686.64 is: 9,467,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,661,881.82 : 17,473,343.77 = 6,860,686.64 : x
  2. Step 2: Convert to fraction form
    12,661,881.82/17,473,343.77 = 6,860,686.64/x
  3. Step 3: Cross multiply
    12,661,881.82x = 17,473,343.77 × 6,860,686.64
  4. Step 4: Simplify right side
    12,661,881.82x = 119,879,136,158,966.22
  5. Step 5: Solve for x
    x = 119,879,136,158,966.22/12,661,881.82
  6. Step 6: Final answer
    x = 9,467,718.77

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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.