Finding the Fourth Proportional to 39,088,569.12, 53,942,287.68 and 21,684,914.16
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Solution
The fourth proportional to 39,088,569.12, 53,942,287.68 and 21,684,914.16 is: 29,925,216.10
Step by Step Solution
- Step 1: Write the proportion equation
39,088,569.12 : 53,942,287.68 = 21,684,914.16 : x - Step 2: Convert to fraction form
39,088,569.12/53,942,287.68 = 21,684,914.16/x - Step 3: Cross multiply
39,088,569.12x = 53,942,287.68 × 21,684,914.16 - Step 4: Simplify right side
39,088,569.12x = 1,169,733,877,934,825.50 - Step 5: Solve for x
x = 1,169,733,877,934,825.50/39,088,569.12 - Step 6: Final answer
x = 29,925,216.10
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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.