Finding the Fourth Proportional to 7,509,207.52, 11,245,440.07 and 6,781,374.19
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Solution
The fourth proportional to 7,509,207.52, 11,245,440.07 and 6,781,374.19 is: 10,155,470.71
Step by Step Solution
- Step 1: Write the proportion equation
7,509,207.52 : 11,245,440.07 = 6,781,374.19 : x - Step 2: Convert to fraction form
7,509,207.52/11,245,440.07 = 6,781,374.19/x - Step 3: Cross multiply
7,509,207.52x = 11,245,440.07 × 6,781,374.19 - Step 4: Simplify right side
7,509,207.52x = 76,259,537,045,889.80 - Step 5: Solve for x
x = 76,259,537,045,889.80/7,509,207.52 - Step 6: Final answer
x = 10,155,470.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.