Home / 19,232,660.36-28,803,194.15-11,128,556.90

Finding the Fourth Proportional to 19,232,660.36, 28,803,194.15 and 11,128,556.90

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Solution

The fourth proportional to 19,232,660.36, 28,803,194.15 and 11,128,556.90 is: 16,666,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,232,660.36 : 28,803,194.15 = 11,128,556.90 : x
  2. Step 2: Convert to fraction form
    19,232,660.36/28,803,194.15 = 11,128,556.90/x
  3. Step 3: Cross multiply
    19,232,660.36x = 28,803,194.15 × 11,128,556.90
  4. Step 4: Simplify right side
    19,232,660.36x = 320,537,984,800,363.38
  5. Step 5: Solve for x
    x = 320,537,984,800,363.38/19,232,660.36
  6. Step 6: Final answer
    x = 16,666,336.27

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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.