Home / 12,878,264.16-17,764,604.64-8,040,970.08

Finding the Fourth Proportional to 12,878,264.16, 17,764,604.64 and 8,040,970.08

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Solution

The fourth proportional to 12,878,264.16, 17,764,604.64 and 8,040,970.08 is: 11,091,918.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,878,264.16 : 17,764,604.64 = 8,040,970.08 : x
  2. Step 2: Convert to fraction form
    12,878,264.16/17,764,604.64 = 8,040,970.08/x
  3. Step 3: Cross multiply
    12,878,264.16x = 17,764,604.64 × 8,040,970.08
  4. Step 4: Simplify right side
    12,878,264.16x = 142,844,654,393,269.19
  5. Step 5: Solve for x
    x = 142,844,654,393,269.19/12,878,264.16
  6. Step 6: Final answer
    x = 11,091,918.34

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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.