Home / 11,666,643.94-16,099,970.04-6,439,653.88

Finding the Fourth Proportional to 11,666,643.94, 16,099,970.04 and 6,439,653.88

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Solution

The fourth proportional to 11,666,643.94, 16,099,970.04 and 6,439,653.88 is: 8,886,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666,643.94 : 16,099,970.04 = 6,439,653.88 : x
  2. Step 2: Convert to fraction form
    11,666,643.94/16,099,970.04 = 6,439,653.88/x
  3. Step 3: Cross multiply
    11,666,643.94x = 16,099,970.04 × 6,439,653.88
  4. Step 4: Simplify right side
    11,666,643.94x = 103,678,234,535,969.75
  5. Step 5: Solve for x
    x = 103,678,234,535,969.75/11,666,643.94
  6. Step 6: Final answer
    x = 8,886,723.13

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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.