Home / 11,611,935.09-16,025,017.37-6,455,382.75

Finding the Fourth Proportional to 11,611,935.09, 16,025,017.37 and 6,455,382.75

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Solution

The fourth proportional to 11,611,935.09, 16,025,017.37 and 6,455,382.75 is: 8,908,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611,935.09 : 16,025,017.37 = 6,455,382.75 : x
  2. Step 2: Convert to fraction form
    11,611,935.09/16,025,017.37 = 6,455,382.75/x
  3. Step 3: Cross multiply
    11,611,935.09x = 16,025,017.37 × 6,455,382.75
  4. Step 4: Simplify right side
    11,611,935.09x = 103,447,620,666,471.45
  5. Step 5: Solve for x
    x = 103,447,620,666,471.45/11,611,935.09
  6. Step 6: Final answer
    x = 8,908,732.25

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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.