Home / 12,036,943.49-16,610,979.96-6,880,415.72

Finding the Fourth Proportional to 12,036,943.49, 16,610,979.96 and 6,880,415.72

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Solution

The fourth proportional to 12,036,943.49, 16,610,979.96 and 6,880,415.72 is: 9,494,972.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036,943.49 : 16,610,979.96 = 6,880,415.72 : x
  2. Step 2: Convert to fraction form
    12,036,943.49/16,610,979.96 = 6,880,415.72/x
  3. Step 3: Cross multiply
    12,036,943.49x = 16,610,979.96 × 6,880,415.72
  4. Step 4: Simplify right side
    12,036,943.49x = 114,290,447,558,334.08
  5. Step 5: Solve for x
    x = 114,290,447,558,334.08/12,036,943.49
  6. Step 6: Final answer
    x = 9,494,972.52

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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.