Finding the Fourth Proportional to 7,509,207.65, 11,245,440.26 and 6,781,374.32
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Solution
The fourth proportional to 7,509,207.65, 11,245,440.26 and 6,781,374.32 is: 10,155,470.90
Step by Step Solution
- Step 1: Write the proportion equation
7,509,207.65 : 11,245,440.26 = 6,781,374.32 : x - Step 2: Convert to fraction form
7,509,207.65/11,245,440.26 = 6,781,374.32/x - Step 3: Cross multiply
7,509,207.65x = 11,245,440.26 × 6,781,374.32 - Step 4: Simplify right side
7,509,207.65x = 76,259,539,756,984.36 - Step 5: Solve for x
x = 76,259,539,756,984.36/7,509,207.65 - Step 6: Final answer
x = 10,155,470.90
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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.