Home / 19,430,831.20-29,127,584.40-15,110,485.60

Finding the Fourth Proportional to 19,430,831.20, 29,127,584.40 and 15,110,485.60

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Solution

The fourth proportional to 19,430,831.20, 29,127,584.40 and 15,110,485.60 is: 22,651,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430,831.20 : 29,127,584.40 = 15,110,485.60 : x
  2. Step 2: Convert to fraction form
    19,430,831.20/29,127,584.40 = 15,110,485.60/x
  3. Step 3: Cross multiply
    19,430,831.20x = 29,127,584.40 × 15,110,485.60
  4. Step 4: Simplify right side
    19,430,831.20x = 440,131,944,638,984.62
  5. Step 5: Solve for x
    x = 440,131,944,638,984.62/19,430,831.20
  6. Step 6: Final answer
    x = 22,651,215.49

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1.5x scale

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.