Finding the Fourth Proportional to 12,348,766.08, 18,513,257.04 and 5,868,588.96
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Solution
The fourth proportional to 12,348,766.08, 18,513,257.04 and 5,868,588.96 is: 8,798,182.36
Step by Step Solution
- Step 1: Write the proportion equation
12,348,766.08 : 18,513,257.04 = 5,868,588.96 : x - Step 2: Convert to fraction form
12,348,766.08/18,513,257.04 = 5,868,588.96/x - Step 3: Cross multiply
12,348,766.08x = 18,513,257.04 × 5,868,588.96 - Step 4: Simplify right side
12,348,766.08x = 108,646,695,878,586.27 - Step 5: Solve for x
x = 108,646,695,878,586.27/12,348,766.08 - Step 6: Final answer
x = 8,798,182.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.