Home / 10,089,314.40-15,133,971.60-8,672,138.40

Finding the Fourth Proportional to 10,089,314.40, 15,133,971.60 and 8,672,138.40

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Solution

The fourth proportional to 10,089,314.40, 15,133,971.60 and 8,672,138.40 is: 13,008,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089,314.40 : 15,133,971.60 = 8,672,138.40 : x
  2. Step 2: Convert to fraction form
    10,089,314.40/15,133,971.60 = 8,672,138.40/x
  3. Step 3: Cross multiply
    10,089,314.40x = 15,133,971.60 × 8,672,138.40
  4. Step 4: Simplify right side
    10,089,314.40x = 131,243,896,256,869.44
  5. Step 5: Solve for x
    x = 131,243,896,256,869.44/10,089,314.40
  6. Step 6: Final answer
    x = 13,008,207.60

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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.