Home / 7,430,270.40-11,145,405.60-5,404,233.60

Finding the Fourth Proportional to 7,430,270.40, 11,145,405.60 and 5,404,233.60

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Solution

The fourth proportional to 7,430,270.40, 11,145,405.60 and 5,404,233.60 is: 8,106,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430,270.40 : 11,145,405.60 = 5,404,233.60 : x
  2. Step 2: Convert to fraction form
    7,430,270.40/11,145,405.60 = 5,404,233.60/x
  3. Step 3: Cross multiply
    7,430,270.40x = 11,145,405.60 × 5,404,233.60
  4. Step 4: Simplify right side
    7,430,270.40x = 60,232,375,429,148.16
  5. Step 5: Solve for x
    x = 60,232,375,429,148.16/7,430,270.40
  6. Step 6: Final answer
    x = 8,106,350.40

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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.