Home / 12,334,368.69-18,519,740.64-6,880,119.69

Finding the Fourth Proportional to 12,334,368.69, 18,519,740.64 and 6,880,119.69

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Solution

The fourth proportional to 12,334,368.69, 18,519,740.64 and 6,880,119.69 is: 10,330,324.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334,368.69 : 18,519,740.64 = 6,880,119.69 : x
  2. Step 2: Convert to fraction form
    12,334,368.69/18,519,740.64 = 6,880,119.69/x
  3. Step 3: Cross multiply
    12,334,368.69x = 18,519,740.64 × 6,880,119.69
  4. Step 4: Simplify right side
    12,334,368.69x = 127,418,032,230,957.22
  5. Step 5: Solve for x
    x = 127,418,032,230,957.22/12,334,368.69
  6. Step 6: Final answer
    x = 10,330,324.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.