Home / 13,807,172.56-20,710,758.24-13,116,760.60

Finding the Fourth Proportional to 13,807,172.56, 20,710,758.24 and 13,116,760.60

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Solution

The fourth proportional to 13,807,172.56, 20,710,758.24 and 13,116,760.60 is: 19,675,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807,172.56 : 20,710,758.24 = 13,116,760.60 : x
  2. Step 2: Convert to fraction form
    13,807,172.56/20,710,758.24 = 13,116,760.60/x
  3. Step 3: Cross multiply
    13,807,172.56x = 20,710,758.24 × 13,116,760.60
  4. Step 4: Simplify right side
    13,807,172.56x = 271,658,057,678,557.31
  5. Step 5: Solve for x
    x = 271,658,057,678,557.31/13,807,172.56
  6. Step 6: Final answer
    x = 19,675,140.33

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1.5x scale

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.