Finding the Fourth Proportional to 8,815,623.99, 12,164,894.04 and 4,947,397.81
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Solution
The fourth proportional to 8,815,623.99, 12,164,894.04 and 4,947,397.81 is: 6,827,034.61
Step by Step Solution
- Step 1: Write the proportion equation
8,815,623.99 : 12,164,894.04 = 4,947,397.81 : x - Step 2: Convert to fraction form
8,815,623.99/12,164,894.04 = 4,947,397.81/x - Step 3: Cross multiply
8,815,623.99x = 12,164,894.04 × 4,947,397.81 - Step 4: Simplify right side
8,815,623.99x = 60,184,570,132,378.05 - Step 5: Solve for x
x = 60,184,570,132,378.05/8,815,623.99 - Step 6: Final answer
x = 6,827,034.61
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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.