Home / 12,999,332.73-17,957,765.16-10,382,400.84

Finding the Fourth Proportional to 12,999,332.73, 17,957,765.16 and 10,382,400.84

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Solution

The fourth proportional to 12,999,332.73, 17,957,765.16 and 10,382,400.84 is: 14,342,637.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999,332.73 : 17,957,765.16 = 10,382,400.84 : x
  2. Step 2: Convert to fraction form
    12,999,332.73/17,957,765.16 = 10,382,400.84/x
  3. Step 3: Cross multiply
    12,999,332.73x = 17,957,765.16 × 10,382,400.84
  4. Step 4: Simplify right side
    12,999,332.73x = 186,444,716,081,706.72
  5. Step 5: Solve for x
    x = 186,444,716,081,706.72/12,999,332.73
  6. Step 6: Final answer
    x = 14,342,637.42

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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.