Finding the Fourth Proportional to 7,539,503.19, 10,408,128.17 and 4,641,378.27
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Solution
The fourth proportional to 7,539,503.19, 10,408,128.17 and 4,641,378.27 is: 6,407,326.67
Step by Step Solution
- Step 1: Write the proportion equation
7,539,503.19 : 10,408,128.17 = 4,641,378.27 : x - Step 2: Convert to fraction form
7,539,503.19/10,408,128.17 = 4,641,378.27/x - Step 3: Cross multiply
7,539,503.19x = 10,408,128.17 × 4,641,378.27 - Step 4: Simplify right side
7,539,503.19x = 48,308,059,896,405.97 - Step 5: Solve for x
x = 48,308,059,896,405.97/7,539,503.19 - Step 6: Final answer
x = 6,407,326.67
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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.