Home / 19,081,889.28-28,616,768.64-6,300,011.52

Finding the Fourth Proportional to 19,081,889.28, 28,616,768.64 and 6,300,011.52

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Solution

The fourth proportional to 19,081,889.28, 28,616,768.64 and 6,300,011.52 is: 9,448,014.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081,889.28 : 28,616,768.64 = 6,300,011.52 : x
  2. Step 2: Convert to fraction form
    19,081,889.28/28,616,768.64 = 6,300,011.52/x
  3. Step 3: Cross multiply
    19,081,889.28x = 28,616,768.64 × 6,300,011.52
  4. Step 4: Simplify right side
    19,081,889.28x = 180,285,972,097,174.72
  5. Step 5: Solve for x
    x = 180,285,972,097,174.72/19,081,889.28
  6. Step 6: Final answer
    x = 9,448,014.79

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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.