Finding the Fourth Proportional to 9,829,378.23, 13,564,604.97 and 5,478,740.79
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Solution
The fourth proportional to 9,829,378.23, 13,564,604.97 and 5,478,740.79 is: 7,560,697.41
Step by Step Solution
- Step 1: Write the proportion equation
9,829,378.23 : 13,564,604.97 = 5,478,740.79 : x - Step 2: Convert to fraction form
9,829,378.23/13,564,604.97 = 5,478,740.79/x - Step 3: Cross multiply
9,829,378.23x = 13,564,604.97 × 5,478,740.79 - Step 4: Simplify right side
9,829,378.23x = 74,316,954,549,375.73 - Step 5: Solve for x
x = 74,316,954,549,375.73/9,829,378.23 - Step 6: Final answer
x = 7,560,697.41
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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.