Home / 19,143,054.91-28,727,004.53-11,460,911.23

Finding the Fourth Proportional to 19,143,054.91, 28,727,004.53 and 11,460,911.23

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Solution

The fourth proportional to 19,143,054.91, 28,727,004.53 and 11,460,911.23 is: 17,198,803.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143,054.91 : 28,727,004.53 = 11,460,911.23 : x
  2. Step 2: Convert to fraction form
    19,143,054.91/28,727,004.53 = 11,460,911.23/x
  3. Step 3: Cross multiply
    19,143,054.91x = 28,727,004.53 × 11,460,911.23
  4. Step 4: Simplify right side
    19,143,054.91x = 329,237,648,822,137.88
  5. Step 5: Solve for x
    x = 329,237,648,822,137.88/19,143,054.91
  6. Step 6: Final answer
    x = 17,198,803.97

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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.