Home / 13,158,912.60-19,738,368.90-9,970,266.60

Finding the Fourth Proportional to 13,158,912.60, 19,738,368.90 and 9,970,266.60

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Solution

The fourth proportional to 13,158,912.60, 19,738,368.90 and 9,970,266.60 is: 14,955,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158,912.60 : 19,738,368.90 = 9,970,266.60 : x
  2. Step 2: Convert to fraction form
    13,158,912.60/19,738,368.90 = 9,970,266.60/x
  3. Step 3: Cross multiply
    13,158,912.60x = 19,738,368.90 × 9,970,266.60
  4. Step 4: Simplify right side
    13,158,912.60x = 196,796,800,182,148.72
  5. Step 5: Solve for x
    x = 196,796,800,182,148.72/13,158,912.60
  6. Step 6: Final answer
    x = 14,955,399.90

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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.