Home / 13,353,338.20-20,030,007.30-9,314,386.60

Finding the Fourth Proportional to 13,353,338.20, 20,030,007.30 and 9,314,386.60

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Solution

The fourth proportional to 13,353,338.20, 20,030,007.30 and 9,314,386.60 is: 13,971,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,338.20 : 20,030,007.30 = 9,314,386.60 : x
  2. Step 2: Convert to fraction form
    13,353,338.20/20,030,007.30 = 9,314,386.60/x
  3. Step 3: Cross multiply
    13,353,338.20x = 20,030,007.30 × 9,314,386.60
  4. Step 4: Simplify right side
    13,353,338.20x = 186,567,231,593,022.19
  5. Step 5: Solve for x
    x = 186,567,231,593,022.19/13,353,338.20
  6. Step 6: Final answer
    x = 13,971,579.90

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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.