Finding the Fourth Proportional to 19,877,710.86, 29,815,699.05 and 6,230,545.92
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Solution
The fourth proportional to 19,877,710.86, 29,815,699.05 and 6,230,545.92 is: 9,345,547.05
Step by Step Solution
- Step 1: Write the proportion equation
19,877,710.86 : 29,815,699.05 = 6,230,545.92 : x - Step 2: Convert to fraction form
19,877,710.86/29,815,699.05 = 6,230,545.92/x - Step 3: Cross multiply
19,877,710.86x = 29,815,699.05 × 6,230,545.92 - Step 4: Simplify right side
19,877,710.86x = 185,768,082,067,925.38 - Step 5: Solve for x
x = 185,768,082,067,925.38/19,877,710.86 - Step 6: Final answer
x = 9,345,547.05
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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.