Finding the Fourth Proportional to 11,878,395.84, 16,392,186.27 and 6,445,887.84
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Solution
The fourth proportional to 11,878,395.84, 16,392,186.27 and 6,445,887.84 is: 8,895,325.23
Step by Step Solution
- Step 1: Write the proportion equation
11,878,395.84 : 16,392,186.27 = 6,445,887.84 : x - Step 2: Convert to fraction form
11,878,395.84/16,392,186.27 = 6,445,887.84/x - Step 3: Cross multiply
11,878,395.84x = 16,392,186.27 × 6,445,887.84 - Step 4: Simplify right side
11,878,395.84x = 105,662,194,148,807.95 - Step 5: Solve for x
x = 105,662,194,148,807.95/11,878,395.84 - Step 6: Final answer
x = 8,895,325.23
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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.