Home / 12,235,511.51-16,884,668.69-6,728,886.24

Finding the Fourth Proportional to 12,235,511.51, 16,884,668.69 and 6,728,886.24

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Solution

The fourth proportional to 12,235,511.51, 16,884,668.69 and 6,728,886.24 is: 9,285,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235,511.51 : 16,884,668.69 = 6,728,886.24 : x
  2. Step 2: Convert to fraction form
    12,235,511.51/16,884,668.69 = 6,728,886.24/x
  3. Step 3: Cross multiply
    12,235,511.51x = 16,884,668.69 × 6,728,886.24
  4. Step 4: Simplify right side
    12,235,511.51x = 113,615,014,781,455.39
  5. Step 5: Solve for x
    x = 113,615,014,781,455.39/12,235,511.51
  6. Step 6: Final answer
    x = 9,285,677.57

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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.