Finding the Fourth Proportional to 7,438,342.84, 11,151,365.46 and 2,826,374.52
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Solution
The fourth proportional to 7,438,342.84, 11,151,365.46 and 2,826,374.52 is: 4,237,225.40
Step by Step Solution
- Step 1: Write the proportion equation
7,438,342.84 : 11,151,365.46 = 2,826,374.52 : x - Step 2: Convert to fraction form
7,438,342.84/11,151,365.46 = 2,826,374.52/x - Step 3: Cross multiply
7,438,342.84x = 11,151,365.46 × 2,826,374.52 - Step 4: Simplify right side
7,438,342.84x = 31,517,935,199,352.08 - Step 5: Solve for x
x = 31,517,935,199,352.08/7,438,342.84 - Step 6: Final answer
x = 4,237,225.40
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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.