Finding the Fourth Proportional to 13,062,612.16, 18,020,125.92 and 8,480,370.88
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Solution
The fourth proportional to 13,062,612.16, 18,020,125.92 and 8,480,370.88 is: 11,698,835.52
Step by Step Solution
- Step 1: Write the proportion equation
13,062,612.16 : 18,020,125.92 = 8,480,370.88 : x - Step 2: Convert to fraction form
13,062,612.16/18,020,125.92 = 8,480,370.88/x - Step 3: Cross multiply
13,062,612.16x = 18,020,125.92 × 8,480,370.88 - Step 4: Simplify right side
13,062,612.16x = 152,817,351,105,901.25 - Step 5: Solve for x
x = 152,817,351,105,901.25/13,062,612.16 - Step 6: Final answer
x = 11,698,835.52
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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.