Home / 19,026,107.92-26,245,048.44-12,142,831.60

Finding the Fourth Proportional to 19,026,107.92, 26,245,048.44 and 12,142,831.60

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Solution

The fourth proportional to 19,026,107.92, 26,245,048.44 and 12,142,831.60 is: 16,750,099.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026,107.92 : 26,245,048.44 = 12,142,831.60 : x
  2. Step 2: Convert to fraction form
    19,026,107.92/26,245,048.44 = 12,142,831.60/x
  3. Step 3: Cross multiply
    19,026,107.92x = 26,245,048.44 × 12,142,831.60
  4. Step 4: Simplify right side
    19,026,107.92x = 318,689,203,540,762.69
  5. Step 5: Solve for x
    x = 318,689,203,540,762.69/19,026,107.92
  6. Step 6: Final answer
    x = 16,750,099.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.