Finding the Fourth Proportional to 10,912,547.43, 16,374,339.68 and 7,271,756.19
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Solution
The fourth proportional to 10,912,547.43, 16,374,339.68 and 7,271,756.19 is: 10,911,311.65
Step by Step Solution
- Step 1: Write the proportion equation
10,912,547.43 : 16,374,339.68 = 7,271,756.19 : x - Step 2: Convert to fraction form
10,912,547.43/16,374,339.68 = 7,271,756.19/x - Step 3: Cross multiply
10,912,547.43x = 16,374,339.68 × 7,271,756.19 - Step 4: Simplify right side
10,912,547.43x = 119,070,205,888,843.84 - Step 5: Solve for x
x = 119,070,205,888,843.84/10,912,547.43 - Step 6: Final answer
x = 10,911,311.65
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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.