Home / 12,620,723.40-17,416,602.94-6,819,505.12

Finding the Fourth Proportional to 12,620,723.40, 17,416,602.94 and 6,819,505.12

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Solution

The fourth proportional to 12,620,723.40, 17,416,602.94 and 6,819,505.12 is: 9,410,919.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,620,723.40 : 17,416,602.94 = 6,819,505.12 : x
  2. Step 2: Convert to fraction form
    12,620,723.40/17,416,602.94 = 6,819,505.12/x
  3. Step 3: Cross multiply
    12,620,723.40x = 17,416,602.94 × 6,819,505.12
  4. Step 4: Simplify right side
    12,620,723.40x = 118,772,612,922,337.06
  5. Step 5: Solve for x
    x = 118,772,612,922,337.06/12,620,723.40
  6. Step 6: Final answer
    x = 9,410,919.58

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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.