Finding the Fourth Proportional to 12,838,590.92, 19,266,234.24 and 5,559,159.44
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Solution
The fourth proportional to 12,838,590.92, 19,266,234.24 and 5,559,159.44 is: 8,342,353.82
Step by Step Solution
- Step 1: Write the proportion equation
12,838,590.92 : 19,266,234.24 = 5,559,159.44 : x - Step 2: Convert to fraction form
12,838,590.92/19,266,234.24 = 5,559,159.44/x - Step 3: Cross multiply
12,838,590.92x = 19,266,234.24 × 5,559,159.44 - Step 4: Simplify right side
12,838,590.92x = 107,104,067,948,547.22 - Step 5: Solve for x
x = 107,104,067,948,547.22/12,838,590.92 - Step 6: Final answer
x = 8,342,353.82
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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.