Finding the Fourth Proportional to 36,696,843.90, 55,031,269.05 and 11,129,355.90
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Solution
The fourth proportional to 36,696,843.90, 55,031,269.05 and 11,129,355.90 is: 16,689,788.92
Step by Step Solution
- Step 1: Write the proportion equation
36,696,843.90 : 55,031,269.05 = 11,129,355.90 : x - Step 2: Convert to fraction form
36,696,843.90/55,031,269.05 = 11,129,355.90/x - Step 3: Cross multiply
36,696,843.90x = 55,031,269.05 × 11,129,355.90 - Step 4: Simplify right side
36,696,843.90x = 612,462,578,886,104.88 - Step 5: Solve for x
x = 612,462,578,886,104.88/36,696,843.90 - Step 6: Final answer
x = 16,689,788.92
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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.