Finding the Fourth Proportional to 42,843,304.08, 64,220,107.16 and 17,929,989.36
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Solution
The fourth proportional to 42,843,304.08, 64,220,107.16 and 17,929,989.36 is: 26,876,214.68
Step by Step Solution
- Step 1: Write the proportion equation
42,843,304.08 : 64,220,107.16 = 17,929,989.36 : x - Step 2: Convert to fraction form
42,843,304.08/64,220,107.16 = 17,929,989.36/x - Step 3: Cross multiply
42,843,304.08x = 64,220,107.16 × 17,929,989.36 - Step 4: Simplify right side
42,843,304.08x = 1,151,465,838,121,684.75 - Step 5: Solve for x
x = 1,151,465,838,121,684.75/42,843,304.08 - Step 6: Final answer
x = 26,876,214.68
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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.