Home / 28,111,486.88-42,168,163.72-9,667,250.92

Finding the Fourth Proportional to 28,111,486.88, 42,168,163.72 and 9,667,250.92

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Solution

The fourth proportional to 28,111,486.88, 42,168,163.72 and 9,667,250.92 is: 14,501,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,111,486.88 : 42,168,163.72 = 9,667,250.92 : x
  2. Step 2: Convert to fraction form
    28,111,486.88/42,168,163.72 = 9,667,250.92/x
  3. Step 3: Cross multiply
    28,111,486.88x = 42,168,163.72 × 9,667,250.92
  4. Step 4: Simplify right side
    28,111,486.88x = 407,650,219,516,880.62
  5. Step 5: Solve for x
    x = 407,650,219,516,880.62/28,111,486.88
  6. Step 6: Final answer
    x = 14,501,197.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.