Finding the Fourth Proportional to 11,028,829.60, 15,215,610 and 6,840,577.18
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Solution
The fourth proportional to 11,028,829.60, 15,215,610 and 6,840,577.18 is: 9,437,407.08
Step by Step Solution
- Step 1: Write the proportion equation
11,028,829.60 : 15,215,610 = 6,840,577.18 : x - Step 2: Convert to fraction form
11,028,829.60/15,215,610 = 6,840,577.18/x - Step 3: Cross multiply
11,028,829.60x = 15,215,610 × 6,840,577.18 - Step 4: Simplify right side
11,028,829.60x = 104,083,554,545,779.80 - Step 5: Solve for x
x = 104,083,554,545,779.80/11,028,829.60 - Step 6: Final answer
x = 9,437,407.08
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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.