Finding the Fourth Proportional to 11,830,710.15, 16,326,538.62 and 6,674,055.75
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Solution
The fourth proportional to 11,830,710.15, 16,326,538.62 and 6,674,055.75 is: 9,210,286.41
Step by Step Solution
- Step 1: Write the proportion equation
11,830,710.15 : 16,326,538.62 = 6,674,055.75 : x - Step 2: Convert to fraction form
11,830,710.15/16,326,538.62 = 6,674,055.75/x - Step 3: Cross multiply
11,830,710.15x = 16,326,538.62 × 6,674,055.75 - Step 4: Simplify right side
11,830,710.15x = 108,964,228,954,408.06 - Step 5: Solve for x
x = 108,964,228,954,408.06/11,830,710.15 - Step 6: Final answer
x = 9,210,286.41
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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.