Home / 27,886,831.20-41,830,246.80-12,770,287.20

Finding the Fourth Proportional to 27,886,831.20, 41,830,246.80 and 12,770,287.20

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Solution

The fourth proportional to 27,886,831.20, 41,830,246.80 and 12,770,287.20 is: 19,155,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,886,831.20 : 41,830,246.80 = 12,770,287.20 : x
  2. Step 2: Convert to fraction form
    27,886,831.20/41,830,246.80 = 12,770,287.20/x
  3. Step 3: Cross multiply
    27,886,831.20x = 41,830,246.80 × 12,770,287.20
  4. Step 4: Simplify right side
    27,886,831.20x = 534,184,265,282,880.88
  5. Step 5: Solve for x
    x = 534,184,265,282,880.88/27,886,831.20
  6. Step 6: Final answer
    x = 19,155,430.80

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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.