Finding the Fourth Proportional to 11,178,045.30, 16,746,400.80 and 6,371,456.70
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Solution
The fourth proportional to 11,178,045.30, 16,746,400.80 and 6,371,456.70 is: 9,545,404.83
Step by Step Solution
- Step 1: Write the proportion equation
11,178,045.30 : 16,746,400.80 = 6,371,456.70 : x - Step 2: Convert to fraction form
11,178,045.30/16,746,400.80 = 6,371,456.70/x - Step 3: Cross multiply
11,178,045.30x = 16,746,400.80 × 6,371,456.70 - Step 4: Simplify right side
11,178,045.30x = 106,698,967,578,045.38 - Step 5: Solve for x
x = 106,698,967,578,045.38/11,178,045.30 - Step 6: Final answer
x = 9,545,404.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.