Finding the Fourth Proportional to 11,364,303.97, 15,682,342.12 and 6,778,252.45
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Solution
The fourth proportional to 11,364,303.97, 15,682,342.12 and 6,778,252.45 is: 9,353,751.38
Step by Step Solution
- Step 1: Write the proportion equation
11,364,303.97 : 15,682,342.12 = 6,778,252.45 : x - Step 2: Convert to fraction form
11,364,303.97/15,682,342.12 = 6,778,252.45/x - Step 3: Cross multiply
11,364,303.97x = 15,682,342.12 × 6,778,252.45 - Step 4: Simplify right side
11,364,303.97x = 106,298,873,896,628.19 - Step 5: Solve for x
x = 106,298,873,896,628.19/11,364,303.97 - Step 6: Final answer
x = 9,353,751.38
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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.