Finding the Fourth Proportional to 45,358,702.86, 68,019,136.44 and 14,226,338.82
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Solution
The fourth proportional to 45,358,702.86, 68,019,136.44 and 14,226,338.82 is: 21,333,574.82
Step by Step Solution
- Step 1: Write the proportion equation
45,358,702.86 : 68,019,136.44 = 14,226,338.82 : x - Step 2: Convert to fraction form
45,358,702.86/68,019,136.44 = 14,226,338.82/x - Step 3: Cross multiply
45,358,702.86x = 68,019,136.44 × 14,226,338.82 - Step 4: Simplify right side
45,358,702.86x = 967,663,281,239,248.62 - Step 5: Solve for x
x = 967,663,281,239,248.62/45,358,702.86 - Step 6: Final answer
x = 21,333,574.82
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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.