Home / 13,667,633.84-18,861,368.63-7,473,080.30

Finding the Fourth Proportional to 13,667,633.84, 18,861,368.63 and 7,473,080.30

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Solution

The fourth proportional to 13,667,633.84, 18,861,368.63 and 7,473,080.30 is: 10,312,869.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,633.84 : 18,861,368.63 = 7,473,080.30 : x
  2. Step 2: Convert to fraction form
    13,667,633.84/18,861,368.63 = 7,473,080.30/x
  3. Step 3: Cross multiply
    13,667,633.84x = 18,861,368.63 × 7,473,080.30
  4. Step 4: Simplify right side
    13,667,633.84x = 140,952,522,208,218.75
  5. Step 5: Solve for x
    x = 140,952,522,208,218.75/13,667,633.84
  6. Step 6: Final answer
    x = 10,312,869.35

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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.