Finding the Fourth Proportional to 10,517,421.84, 15,778,495.80 and 3,329,386.80
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Solution
The fourth proportional to 10,517,421.84, 15,778,495.80 and 3,329,386.80 is: 4,994,828.24
Step by Step Solution
- Step 1: Write the proportion equation
10,517,421.84 : 15,778,495.80 = 3,329,386.80 : x - Step 2: Convert to fraction form
10,517,421.84/15,778,495.80 = 3,329,386.80/x - Step 3: Cross multiply
10,517,421.84x = 15,778,495.80 × 3,329,386.80 - Step 4: Simplify right side
10,517,421.84x = 52,532,715,640,375.44 - Step 5: Solve for x
x = 52,532,715,640,375.44/10,517,421.84 - Step 6: Final answer
x = 4,994,828.24
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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.