Finding the Fourth Proportional to 7,862,852.55, 10,854,084.58 and 5,286,028
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Solution
The fourth proportional to 7,862,852.55, 10,854,084.58 and 5,286,028 is: 7,296,969.47
Step by Step Solution
- Step 1: Write the proportion equation
7,862,852.55 : 10,854,084.58 = 5,286,028 : x - Step 2: Convert to fraction form
7,862,852.55/10,854,084.58 = 5,286,028/x - Step 3: Cross multiply
7,862,852.55x = 10,854,084.58 × 5,286,028 - Step 4: Simplify right side
7,862,852.55x = 57,374,994,977,818.09 - Step 5: Solve for x
x = 57,374,994,977,818.09/7,862,852.55 - Step 6: Final answer
x = 7,296,969.47
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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.