Finding the Fourth Proportional to 42,611,877.84, 63,917,528.76 and 17,058,789.84
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Solution
The fourth proportional to 42,611,877.84, 63,917,528.76 and 17,058,789.84 is: 25,588,069.47
Step by Step Solution
- Step 1: Write the proportion equation
42,611,877.84 : 63,917,528.76 = 17,058,789.84 : x - Step 2: Convert to fraction form
42,611,877.84/63,917,528.76 = 17,058,789.84/x - Step 3: Cross multiply
42,611,877.84x = 63,917,528.76 × 17,058,789.84 - Step 4: Simplify right side
42,611,877.84x = 1,090,355,690,208,995.75 - Step 5: Solve for x
x = 1,090,355,690,208,995.75/42,611,877.84 - Step 6: Final answer
x = 25,588,069.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.