Home / 12,286,734.51-16,959,066.48-7,131,756.81

Finding the Fourth Proportional to 12,286,734.51, 16,959,066.48 and 7,131,756.81

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Solution

The fourth proportional to 12,286,734.51, 16,959,066.48 and 7,131,756.81 is: 9,843,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,734.51 : 16,959,066.48 = 7,131,756.81 : x
  2. Step 2: Convert to fraction form
    12,286,734.51/16,959,066.48 = 7,131,756.81/x
  3. Step 3: Cross multiply
    12,286,734.51x = 16,959,066.48 × 7,131,756.81
  4. Step 4: Simplify right side
    12,286,734.51x = 120,947,937,859,982.72
  5. Step 5: Solve for x
    x = 120,947,937,859,982.72/12,286,734.51
  6. Step 6: Final answer
    x = 9,843,782.15

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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.