Finding the Fourth Proportional to 19,211,465.02, 28,815,067.71 and 4,834,536.70
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Solution
The fourth proportional to 19,211,465.02, 28,815,067.71 and 4,834,536.70 is: 7,251,269.08
Step by Step Solution
- Step 1: Write the proportion equation
19,211,465.02 : 28,815,067.71 = 4,834,536.70 : x - Step 2: Convert to fraction form
19,211,465.02/28,815,067.71 = 4,834,536.70/x - Step 3: Cross multiply
19,211,465.02x = 28,815,067.71 × 4,834,536.70 - Step 4: Simplify right side
19,211,465.02x = 139,307,502,356,979.97 - Step 5: Solve for x
x = 139,307,502,356,979.97/19,211,465.02 - Step 6: Final answer
x = 7,251,269.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.