Home / 14,653,945.98-20,209,212.48-9,147,831.75

Finding the Fourth Proportional to 14,653,945.98, 20,209,212.48 and 9,147,831.75

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Solution

The fourth proportional to 14,653,945.98, 20,209,212.48 and 9,147,831.75 is: 12,615,747.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,653,945.98 : 20,209,212.48 = 9,147,831.75 : x
  2. Step 2: Convert to fraction form
    14,653,945.98/20,209,212.48 = 9,147,831.75/x
  3. Step 3: Cross multiply
    14,653,945.98x = 20,209,212.48 × 9,147,831.75
  4. Step 4: Simplify right side
    14,653,945.98x = 184,870,475,567,040.25
  5. Step 5: Solve for x
    x = 184,870,475,567,040.25/14,653,945.98
  6. Step 6: Final answer
    x = 12,615,747.04

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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.