Finding the Fourth Proportional to 19,659,788.84, 29,489,657.90 and 5,282,856.80
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Solution
The fourth proportional to 19,659,788.84, 29,489,657.90 and 5,282,856.80 is: 7,924,278.39
Step by Step Solution
- Step 1: Write the proportion equation
19,659,788.84 : 29,489,657.90 = 5,282,856.80 : x - Step 2: Convert to fraction form
19,659,788.84/29,489,657.90 = 5,282,856.80/x - Step 3: Cross multiply
19,659,788.84x = 29,489,657.90 × 5,282,856.80 - Step 4: Simplify right side
19,659,788.84x = 155,789,639,899,007.78 - Step 5: Solve for x
x = 155,789,639,899,007.78/19,659,788.84 - Step 6: Final answer
x = 7,924,278.39
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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.