Finding the Fourth Proportional to 11,473,056.83, 15,832,217.44 and 6,315,410.99
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Solution
The fourth proportional to 11,473,056.83, 15,832,217.44 and 6,315,410.99 is: 8,714,936.35
Step by Step Solution
- Step 1: Write the proportion equation
11,473,056.83 : 15,832,217.44 = 6,315,410.99 : x - Step 2: Convert to fraction form
11,473,056.83/15,832,217.44 = 6,315,410.99/x - Step 3: Cross multiply
11,473,056.83x = 15,832,217.44 × 6,315,410.99 - Step 4: Simplify right side
11,473,056.83x = 99,986,960,064,120.47 - Step 5: Solve for x
x = 99,986,960,064,120.47/11,473,056.83 - Step 6: Final answer
x = 8,714,936.35
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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.