Home / 14,504,113.72-20,014,288.14-7,977,639.16

Finding the Fourth Proportional to 14,504,113.72, 20,014,288.14 and 7,977,639.16

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Solution

The fourth proportional to 14,504,113.72, 20,014,288.14 and 7,977,639.16 is: 11,008,378.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,504,113.72 : 20,014,288.14 = 7,977,639.16 : x
  2. Step 2: Convert to fraction form
    14,504,113.72/20,014,288.14 = 7,977,639.16/x
  3. Step 3: Cross multiply
    14,504,113.72x = 20,014,288.14 × 7,977,639.16
  4. Step 4: Simplify right side
    14,504,113.72x = 159,666,768,825,187.56
  5. Step 5: Solve for x
    x = 159,666,768,825,187.56/14,504,113.72
  6. Step 6: Final answer
    x = 11,008,378.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.