Finding the Fourth Proportional to 11,814,718.68, 16,307,345.34 and 7,695,015.75
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Solution
The fourth proportional to 11,814,718.68, 16,307,345.34 and 7,695,015.75 is: 10,621,097.52
Step by Step Solution
- Step 1: Write the proportion equation
11,814,718.68 : 16,307,345.34 = 7,695,015.75 : x - Step 2: Convert to fraction form
11,814,718.68/16,307,345.34 = 7,695,015.75/x - Step 3: Cross multiply
11,814,718.68x = 16,307,345.34 × 7,695,015.75 - Step 4: Simplify right side
11,814,718.68x = 125,485,279,231,989.11 - Step 5: Solve for x
x = 125,485,279,231,989.11/11,814,718.68 - Step 6: Final answer
x = 10,621,097.52
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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.