Finding the Fourth Proportional to 7,929,419.06, 11,894,139 and 2,172,203.87
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Solution
The fourth proportional to 7,929,419.06, 11,894,139 and 2,172,203.87 is: 3,258,308.65
Step by Step Solution
- Step 1: Write the proportion equation
7,929,419.06 : 11,894,139 = 2,172,203.87 : x - Step 2: Convert to fraction form
7,929,419.06/11,894,139 = 2,172,203.87/x - Step 3: Cross multiply
7,929,419.06x = 11,894,139 × 2,172,203.87 - Step 4: Simplify right side
7,929,419.06x = 25,836,494,706,647.24 - Step 5: Solve for x
x = 25,836,494,706,647.24/7,929,419.06 - Step 6: Final answer
x = 3,258,308.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.