Home / 13,208,768.70-19,789,533.45-11,319,200.70

Finding the Fourth Proportional to 13,208,768.70, 19,789,533.45 and 11,319,200.70

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Solution

The fourth proportional to 13,208,768.70, 19,789,533.45 and 11,319,200.70 is: 16,958,560.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,768.70 : 19,789,533.45 = 11,319,200.70 : x
  2. Step 2: Convert to fraction form
    13,208,768.70/19,789,533.45 = 11,319,200.70/x
  3. Step 3: Cross multiply
    13,208,768.70x = 19,789,533.45 × 11,319,200.70
  4. Step 4: Simplify right side
    13,208,768.70x = 224,001,700,879,913.41
  5. Step 5: Solve for x
    x = 224,001,700,879,913.41/13,208,768.70
  6. Step 6: Final answer
    x = 16,958,560.33

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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.