Home / 12,128,954.77-16,739,425.47-6,903,233.56

Finding the Fourth Proportional to 12,128,954.77, 16,739,425.47 and 6,903,233.56

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Solution

The fourth proportional to 12,128,954.77, 16,739,425.47 and 6,903,233.56 is: 9,527,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,954.77 : 16,739,425.47 = 6,903,233.56 : x
  2. Step 2: Convert to fraction form
    12,128,954.77/16,739,425.47 = 6,903,233.56/x
  3. Step 3: Cross multiply
    12,128,954.77x = 16,739,425.47 × 6,903,233.56
  4. Step 4: Simplify right side
    12,128,954.77x = 115,556,163,679,622.77
  5. Step 5: Solve for x
    x = 115,556,163,679,622.77/12,128,954.77
  6. Step 6: Final answer
    x = 9,527,297.77

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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.