Finding the Fourth Proportional to 12,406,414.41, 17,118,322.11 and 7,248,779.91
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Solution
The fourth proportional to 12,406,414.41, 17,118,322.11 and 7,248,779.91 is: 10,001,838.19
Step by Step Solution
- Step 1: Write the proportion equation
12,406,414.41 : 17,118,322.11 = 7,248,779.91 : x - Step 2: Convert to fraction form
12,406,414.41/17,118,322.11 = 7,248,779.91/x - Step 3: Cross multiply
12,406,414.41x = 17,118,322.11 × 7,248,779.91 - Step 4: Simplify right side
12,406,414.41x = 124,086,949,403,876.81 - Step 5: Solve for x
x = 124,086,949,403,876.81/12,406,414.41 - Step 6: Final answer
x = 10,001,838.19
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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.