Finding the Fourth Proportional to 11,386,405.68, 15,713,221.44 and 6,229,788
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Solution
The fourth proportional to 11,386,405.68, 15,713,221.44 and 6,229,788 is: 8,597,097.37
Step by Step Solution
- Step 1: Write the proportion equation
11,386,405.68 : 15,713,221.44 = 6,229,788 : x - Step 2: Convert to fraction form
11,386,405.68/15,713,221.44 = 6,229,788/x - Step 3: Cross multiply
11,386,405.68x = 15,713,221.44 × 6,229,788 - Step 4: Simplify right side
11,386,405.68x = 97,890,038,368,254.72 - Step 5: Solve for x
x = 97,890,038,368,254.72/11,386,405.68 - Step 6: Final answer
x = 8,597,097.37
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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.