Finding the Fourth Proportional to 30,701,034.17, 42,371,142.30 and 17,473,427.19
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Solution
The fourth proportional to 30,701,034.17, 42,371,142.30 and 17,473,427.19 is: 24,115,443.99
Step by Step Solution
- Step 1: Write the proportion equation
30,701,034.17 : 42,371,142.30 = 17,473,427.19 : x - Step 2: Convert to fraction form
30,701,034.17/42,371,142.30 = 17,473,427.19/x - Step 3: Cross multiply
30,701,034.17x = 42,371,142.30 × 17,473,427.19 - Step 4: Simplify right side
30,701,034.17x = 740,369,069,936,179.12 - Step 5: Solve for x
x = 740,369,069,936,179.12/30,701,034.17 - Step 6: Final answer
x = 24,115,443.99
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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.