Home / 12,089,231.40-18,117,258.30-9,849,743.40

Finding the Fourth Proportional to 12,089,231.40, 18,117,258.30 and 9,849,743.40

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Solution

The fourth proportional to 12,089,231.40, 18,117,258.30 and 9,849,743.40 is: 14,761,099.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,231.40 : 18,117,258.30 = 9,849,743.40 : x
  2. Step 2: Convert to fraction form
    12,089,231.40/18,117,258.30 = 9,849,743.40/x
  3. Step 3: Cross multiply
    12,089,231.40x = 18,117,258.30 × 9,849,743.40
  4. Step 4: Simplify right side
    12,089,231.40x = 178,450,345,366,520.22
  5. Step 5: Solve for x
    x = 178,450,345,366,520.22/12,089,231.40
  6. Step 6: Final answer
    x = 14,761,099.32

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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.