Home / 12,426,922.08-17,140,318.44-8,294,869.68

Finding the Fourth Proportional to 12,426,922.08, 17,140,318.44 and 8,294,869.68

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Solution

The fourth proportional to 12,426,922.08, 17,140,318.44 and 8,294,869.68 is: 11,441,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,922.08 : 17,140,318.44 = 8,294,869.68 : x
  2. Step 2: Convert to fraction form
    12,426,922.08/17,140,318.44 = 8,294,869.68/x
  3. Step 3: Cross multiply
    12,426,922.08x = 17,140,318.44 × 8,294,869.68
  4. Step 4: Simplify right side
    12,426,922.08x = 142,176,707,733,500.91
  5. Step 5: Solve for x
    x = 142,176,707,733,500.91/12,426,922.08
  6. Step 6: Final answer
    x = 11,441,023.51

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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.