Home / 10,089,056.52-15,133,601.16-8,080,078.32

Finding the Fourth Proportional to 10,089,056.52, 15,133,601.16 and 8,080,078.32

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Solution

The fourth proportional to 10,089,056.52, 15,133,601.16 and 8,080,078.32 is: 12,120,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089,056.52 : 15,133,601.16 = 8,080,078.32 : x
  2. Step 2: Convert to fraction form
    10,089,056.52/15,133,601.16 = 8,080,078.32/x
  3. Step 3: Cross multiply
    10,089,056.52x = 15,133,601.16 × 8,080,078.32
  4. Step 4: Simplify right side
    10,089,056.52x = 122,280,682,636,442.86
  5. Step 5: Solve for x
    x = 122,280,682,636,442.86/10,089,056.52
  6. Step 6: Final answer
    x = 12,120,130.60

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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.