Finding the Fourth Proportional to 19,511,730.45, 29,257,856.91 and 6,379,437.65
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Solution
The fourth proportional to 19,511,730.45, 29,257,856.91 and 6,379,437.65 is: 9,565,972.34
Step by Step Solution
- Step 1: Write the proportion equation
19,511,730.45 : 29,257,856.91 = 6,379,437.65 : x - Step 2: Convert to fraction form
19,511,730.45/29,257,856.91 = 6,379,437.65/x - Step 3: Cross multiply
19,511,730.45x = 29,257,856.91 × 6,379,437.65 - Step 4: Simplify right side
19,511,730.45x = 186,648,673,783,677.38 - Step 5: Solve for x
x = 186,648,673,783,677.38/19,511,730.45 - Step 6: Final answer
x = 9,565,972.34
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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.