Home / 13,146,290.40-19,722,200.40-7,461,861.60

Finding the Fourth Proportional to 13,146,290.40, 19,722,200.40 and 7,461,861.60

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Solution

The fourth proportional to 13,146,290.40, 19,722,200.40 and 7,461,861.60 is: 11,194,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,290.40 : 19,722,200.40 = 7,461,861.60 : x
  2. Step 2: Convert to fraction form
    13,146,290.40/19,722,200.40 = 7,461,861.60/x
  3. Step 3: Cross multiply
    13,146,290.40x = 19,722,200.40 × 7,461,861.60
  4. Step 4: Simplify right side
    13,146,290.40x = 147,164,329,832,264.62
  5. Step 5: Solve for x
    x = 147,164,329,832,264.62/13,146,290.40
  6. Step 6: Final answer
    x = 11,194,361.71

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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.