Home / 12,235,303.68-16,884,332.64-6,728,661.60

Finding the Fourth Proportional to 12,235,303.68, 16,884,332.64 and 6,728,661.60

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Solution

The fourth proportional to 12,235,303.68, 16,884,332.64 and 6,728,661.60 is: 9,285,340.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235,303.68 : 16,884,332.64 = 6,728,661.60 : x
  2. Step 2: Convert to fraction form
    12,235,303.68/16,884,332.64 = 6,728,661.60/x
  3. Step 3: Cross multiply
    12,235,303.68x = 16,884,332.64 × 6,728,661.60
  4. Step 4: Simplify right side
    12,235,303.68x = 113,608,960,676,394.62
  5. Step 5: Solve for x
    x = 113,608,960,676,394.62/12,235,303.68
  6. Step 6: Final answer
    x = 9,285,340.49

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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.