Finding the Fourth Proportional to 13,376,095.24, 18,460,149.90 and 7,575,908.80
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Solution
The fourth proportional to 13,376,095.24, 18,460,149.90 and 7,575,908.80 is: 10,455,398.95
Step by Step Solution
- Step 1: Write the proportion equation
13,376,095.24 : 18,460,149.90 = 7,575,908.80 : x - Step 2: Convert to fraction form
13,376,095.24/18,460,149.90 = 7,575,908.80/x - Step 3: Cross multiply
13,376,095.24x = 18,460,149.90 × 7,575,908.80 - Step 4: Simplify right side
13,376,095.24x = 139,852,412,076,729.11 - Step 5: Solve for x
x = 139,852,412,076,729.11/13,376,095.24 - Step 6: Final answer
x = 10,455,398.95
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1.5x scale
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.