Home / 21,851,831.20-32,781,683.40-9,073,627.60

Finding the Fourth Proportional to 21,851,831.20, 32,781,683.40 and 9,073,627.60

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Solution

The fourth proportional to 21,851,831.20, 32,781,683.40 and 9,073,627.60 is: 13,612,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851,831.20 : 32,781,683.40 = 9,073,627.60 : x
  2. Step 2: Convert to fraction form
    21,851,831.20/32,781,683.40 = 9,073,627.60/x
  3. Step 3: Cross multiply
    21,851,831.20x = 32,781,683.40 × 9,073,627.60
  4. Step 4: Simplify right side
    21,851,831.20x = 297,448,787,272,701.81
  5. Step 5: Solve for x
    x = 297,448,787,272,701.81/21,851,831.20
  6. Step 6: Final answer
    x = 13,612,076.01

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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.