Home / 13,667,630.58-18,861,509.10-7,472,684.49

Finding the Fourth Proportional to 13,667,630.58, 18,861,509.10 and 7,472,684.49

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Solution

The fourth proportional to 13,667,630.58, 18,861,509.10 and 7,472,684.49 is: 10,312,402.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,630.58 : 18,861,509.10 = 7,472,684.49 : x
  2. Step 2: Convert to fraction form
    13,667,630.58/18,861,509.10 = 7,472,684.49/x
  3. Step 3: Cross multiply
    13,667,630.58x = 18,861,509.10 × 7,472,684.49
  4. Step 4: Simplify right side
    13,667,630.58x = 140,946,106,509,563.88
  5. Step 5: Solve for x
    x = 140,946,106,509,563.88/13,667,630.58
  6. Step 6: Final answer
    x = 10,312,402.41

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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.