Finding the Fourth Proportional to 16,584,920.80, 24,888,440.40 and 7,604,850.40
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Solution
The fourth proportional to 16,584,920.80, 24,888,440.40 and 7,604,850.40 is: 11,412,346.69
Step by Step Solution
- Step 1: Write the proportion equation
16,584,920.80 : 24,888,440.40 = 7,604,850.40 : x - Step 2: Convert to fraction form
16,584,920.80/24,888,440.40 = 7,604,850.40/x - Step 3: Cross multiply
16,584,920.80x = 24,888,440.40 × 7,604,850.40 - Step 4: Simplify right side
16,584,920.80x = 189,272,865,931,316.16 - Step 5: Solve for x
x = 189,272,865,931,316.16/16,584,920.80 - Step 6: Final answer
x = 11,412,346.69
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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.