Home / 14,840,513.39-20,478,874.84-8,225,037.10

Finding the Fourth Proportional to 14,840,513.39, 20,478,874.84 and 8,225,037.10

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Solution

The fourth proportional to 14,840,513.39, 20,478,874.84 and 8,225,037.10 is: 11,349,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,840,513.39 : 20,478,874.84 = 8,225,037.10 : x
  2. Step 2: Convert to fraction form
    14,840,513.39/20,478,874.84 = 8,225,037.10/x
  3. Step 3: Cross multiply
    14,840,513.39x = 20,478,874.84 × 8,225,037.10
  4. Step 4: Simplify right side
    14,840,513.39x = 168,439,505,336,247.25
  5. Step 5: Solve for x
    x = 168,439,505,336,247.25/14,840,513.39
  6. Step 6: Final answer
    x = 11,349,978.33

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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.