Finding the Fourth Proportional to 13,302,948.60, 19,957,375.35 and 6,112,748.70
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Solution
The fourth proportional to 13,302,948.60, 19,957,375.35 and 6,112,748.70 is: 9,170,479.71
Step by Step Solution
- Step 1: Write the proportion equation
13,302,948.60 : 19,957,375.35 = 6,112,748.70 : x - Step 2: Convert to fraction form
13,302,948.60/19,957,375.35 = 6,112,748.70/x - Step 3: Cross multiply
13,302,948.60x = 19,957,375.35 × 6,112,748.70 - Step 4: Simplify right side
13,302,948.60x = 121,994,420,226,124.56 - Step 5: Solve for x
x = 121,994,420,226,124.56/13,302,948.60 - Step 6: Final answer
x = 9,170,479.71
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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.