Home / 9,349,021.92-12,808,099.56-8,999,418.84

Finding the Fourth Proportional to 9,349,021.92, 12,808,099.56 and 8,999,418.84

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Solution

The fourth proportional to 9,349,021.92, 12,808,099.56 and 8,999,418.84 is: 12,329,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349,021.92 : 12,808,099.56 = 8,999,418.84 : x
  2. Step 2: Convert to fraction form
    9,349,021.92/12,808,099.56 = 8,999,418.84/x
  3. Step 3: Cross multiply
    9,349,021.92x = 12,808,099.56 × 8,999,418.84
  4. Step 4: Simplify right side
    9,349,021.92x = 115,265,452,484,859.72
  5. Step 5: Solve for x
    x = 115,265,452,484,859.72/9,349,021.92
  6. Step 6: Final answer
    x = 12,329,145.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.