Home / 12,310,677.84-16,988,206.77-6,803,768.10

Finding the Fourth Proportional to 12,310,677.84, 16,988,206.77 and 6,803,768.10

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Solution

The fourth proportional to 12,310,677.84, 16,988,206.77 and 6,803,768.10 is: 9,388,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,677.84 : 16,988,206.77 = 6,803,768.10 : x
  2. Step 2: Convert to fraction form
    12,310,677.84/16,988,206.77 = 6,803,768.10/x
  3. Step 3: Cross multiply
    12,310,677.84x = 16,988,206.77 × 6,803,768.10
  4. Step 4: Simplify right side
    12,310,677.84x = 115,583,819,297,930.03
  5. Step 5: Solve for x
    x = 115,583,819,297,930.03/12,310,677.84
  6. Step 6: Final answer
    x = 9,388,907.81

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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.