Finding the Fourth Proportional to 15,725,208.88, 21,697,197.52 and 8,847,181.36
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Solution
The fourth proportional to 15,725,208.88, 21,697,197.52 and 8,847,181.36 is: 12,207,090.09
Step by Step Solution
- Step 1: Write the proportion equation
15,725,208.88 : 21,697,197.52 = 8,847,181.36 : x - Step 2: Convert to fraction form
15,725,208.88/21,697,197.52 = 8,847,181.36/x - Step 3: Cross multiply
15,725,208.88x = 21,697,197.52 × 8,847,181.36 - Step 4: Simplify right side
15,725,208.88x = 191,959,041,463,182.22 - Step 5: Solve for x
x = 191,959,041,463,182.22/15,725,208.88 - Step 6: Final answer
x = 12,207,090.09
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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.