Home / 13,667,124.94-18,861,026.07-7,555,947.10

Finding the Fourth Proportional to 13,667,124.94, 18,861,026.07 and 7,555,947.10

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Solution

The fourth proportional to 13,667,124.94, 18,861,026.07 and 7,555,947.10 is: 10,427,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,124.94 : 18,861,026.07 = 7,555,947.10 : x
  2. Step 2: Convert to fraction form
    13,667,124.94/18,861,026.07 = 7,555,947.10/x
  3. Step 3: Cross multiply
    13,667,124.94x = 18,861,026.07 × 7,555,947.10
  4. Step 4: Simplify right side
    13,667,124.94x = 142,512,915,217,823.12
  5. Step 5: Solve for x
    x = 142,512,915,217,823.12/13,667,124.94
  6. Step 6: Final answer
    x = 10,427,424.63

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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.