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Finding the Fourth Proportional to 12,791,798.10, 19,187,697.15 and 8,014,223.70

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Solution

The fourth proportional to 12,791,798.10, 19,187,697.15 and 8,014,223.70 is: 12,021,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,798.10 : 19,187,697.15 = 8,014,223.70 : x
  2. Step 2: Convert to fraction form
    12,791,798.10/19,187,697.15 = 8,014,223.70/x
  3. Step 3: Cross multiply
    12,791,798.10x = 19,187,697.15 × 8,014,223.70
  4. Step 4: Simplify right side
    12,791,798.10x = 153,774,497,247,952.44
  5. Step 5: Solve for x
    x = 153,774,497,247,952.44/12,791,798.10
  6. Step 6: Final answer
    x = 12,021,335.55

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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.