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Finding the Fourth Proportional to 12,804,797.81, 19,203,319.85 and 6,736,182.63

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Solution

The fourth proportional to 12,804,797.81, 19,203,319.85 and 6,736,182.63 is: 10,102,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804,797.81 : 19,203,319.85 = 6,736,182.63 : x
  2. Step 2: Convert to fraction form
    12,804,797.81/19,203,319.85 = 6,736,182.63/x
  3. Step 3: Cross multiply
    12,804,797.81x = 19,203,319.85 × 6,736,182.63
  4. Step 4: Simplify right side
    12,804,797.81x = 129,357,069,578,223.28
  5. Step 5: Solve for x
    x = 129,357,069,578,223.28/12,804,797.81
  6. Step 6: Final answer
    x = 10,102,234.46

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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.