Finding the Fourth Proportional to 10,965,290.33, 16,448,479.82 and 2,878,289.21
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Solution
The fourth proportional to 10,965,290.33, 16,448,479.82 and 2,878,289.21 is: 4,317,576.70
Step by Step Solution
- Step 1: Write the proportion equation
10,965,290.33 : 16,448,479.82 = 2,878,289.21 : x - Step 2: Convert to fraction form
10,965,290.33/16,448,479.82 = 2,878,289.21/x - Step 3: Cross multiply
10,965,290.33x = 16,448,479.82 × 2,878,289.21 - Step 4: Simplify right side
10,965,290.33x = 47,343,482,024,332.08 - Step 5: Solve for x
x = 47,343,482,024,332.08/10,965,290.33 - Step 6: Final answer
x = 4,317,576.70
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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.