Finding the Fourth Proportional to 11,434,898.04, 15,778,100.61 and 6,473,305.68
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Solution
The fourth proportional to 11,434,898.04, 15,778,100.61 and 6,473,305.68 is: 8,931,996.41
Step by Step Solution
- Step 1: Write the proportion equation
11,434,898.04 : 15,778,100.61 = 6,473,305.68 : x - Step 2: Convert to fraction form
11,434,898.04/15,778,100.61 = 6,473,305.68/x - Step 3: Cross multiply
11,434,898.04x = 15,778,100.61 × 6,473,305.68 - Step 4: Simplify right side
11,434,898.04x = 102,136,468,298,324.45 - Step 5: Solve for x
x = 102,136,468,298,324.45/11,434,898.04 - Step 6: Final answer
x = 8,931,996.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.