Home / 7,223,409.60-10,831,615.20-4,025,140.80

Finding the Fourth Proportional to 7,223,409.60, 10,831,615.20 and 4,025,140.80

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Solution

The fourth proportional to 7,223,409.60, 10,831,615.20 and 4,025,140.80 is: 6,035,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223,409.60 : 10,831,615.20 = 4,025,140.80 : x
  2. Step 2: Convert to fraction form
    7,223,409.60/10,831,615.20 = 4,025,140.80/x
  3. Step 3: Cross multiply
    7,223,409.60x = 10,831,615.20 × 4,025,140.80
  4. Step 4: Simplify right side
    7,223,409.60x = 43,598,776,271,420.16
  5. Step 5: Solve for x
    x = 43,598,776,271,420.16/7,223,409.60
  6. Step 6: Final answer
    x = 6,035,761.32

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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.