Home / 12,089,469.90-18,148,201.65-7,302,564.30

Finding the Fourth Proportional to 12,089,469.90, 18,148,201.65 and 7,302,564.30

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Solution

The fourth proportional to 12,089,469.90, 18,148,201.65 and 7,302,564.30 is: 10,962,301.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,469.90 : 18,148,201.65 = 7,302,564.30 : x
  2. Step 2: Convert to fraction form
    12,089,469.90/18,148,201.65 = 7,302,564.30/x
  3. Step 3: Cross multiply
    12,089,469.90x = 18,148,201.65 × 7,302,564.30
  4. Step 4: Simplify right side
    12,089,469.90x = 132,528,409,478,491.08
  5. Step 5: Solve for x
    x = 132,528,409,478,491.08/12,089,469.90
  6. Step 6: Final answer
    x = 10,962,301.12

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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.