Finding the Fourth Proportional to 16,388,038.80, 24,596,929.80 and 8,306,636.40
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Solution
The fourth proportional to 16,388,038.80, 24,596,929.80 and 8,306,636.40 is: 12,467,492.60
Step by Step Solution
- Step 1: Write the proportion equation
16,388,038.80 : 24,596,929.80 = 8,306,636.40 : x - Step 2: Convert to fraction form
16,388,038.80/24,596,929.80 = 8,306,636.40/x - Step 3: Cross multiply
16,388,038.80x = 24,596,929.80 × 8,306,636.40 - Step 4: Simplify right side
16,388,038.80x = 204,317,752,404,924.75 - Step 5: Solve for x
x = 204,317,752,404,924.75/16,388,038.80 - Step 6: Final answer
x = 12,467,492.60
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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.