Home / 8,431,436-11,636,957.94-4,809,764

Finding the Fourth Proportional to 8,431,436, 11,636,957.94 and 4,809,764

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Solution

The fourth proportional to 8,431,436, 11,636,957.94 and 4,809,764 is: 6,638,373.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,436 : 11,636,957.94 = 4,809,764 : x
  2. Step 2: Convert to fraction form
    8,431,436/11,636,957.94 = 4,809,764/x
  3. Step 3: Cross multiply
    8,431,436x = 11,636,957.94 × 4,809,764
  4. Step 4: Simplify right side
    8,431,436x = 55,971,021,369,326.16
  5. Step 5: Solve for x
    x = 55,971,021,369,326.16/8,431,436
  6. Step 6: Final answer
    x = 6,638,373.51

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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.