Finding the Fourth Proportional to 22,453,888.84, 30,986,186.28 and 13,035,553.84
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Solution
The fourth proportional to 22,453,888.84, 30,986,186.28 and 13,035,553.84 is: 17,988,959.62
Step by Step Solution
- Step 1: Write the proportion equation
22,453,888.84 : 30,986,186.28 = 13,035,553.84 : x - Step 2: Convert to fraction form
22,453,888.84/30,986,186.28 = 13,035,553.84/x - Step 3: Cross multiply
22,453,888.84x = 30,986,186.28 × 13,035,553.84 - Step 4: Simplify right side
22,453,888.84x = 403,922,099,549,209.31 - Step 5: Solve for x
x = 403,922,099,549,209.31/22,453,888.84 - Step 6: Final answer
x = 17,988,959.62
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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.