Home / 11,455,700.22-15,809,433.81-7,106,187.94

Finding the Fourth Proportional to 11,455,700.22, 15,809,433.81 and 7,106,187.94

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Solution

The fourth proportional to 11,455,700.22, 15,809,433.81 and 7,106,187.94 is: 9,806,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455,700.22 : 15,809,433.81 = 7,106,187.94 : x
  2. Step 2: Convert to fraction form
    11,455,700.22/15,809,433.81 = 7,106,187.94/x
  3. Step 3: Cross multiply
    11,455,700.22x = 15,809,433.81 × 7,106,187.94
  4. Step 4: Simplify right side
    11,455,700.22x = 112,344,807,852,650.78
  5. Step 5: Solve for x
    x = 112,344,807,852,650.78/11,455,700.22
  6. Step 6: Final answer
    x = 9,806,891.39

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1.5x scale

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.