Finding the Fourth Proportional to 28,645,506.16, 39,531,753.36 and 16,088,773.61
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Solution
The fourth proportional to 28,645,506.16, 39,531,753.36 and 16,088,773.61 is: 22,203,043.88
Step by Step Solution
- Step 1: Write the proportion equation
28,645,506.16 : 39,531,753.36 = 16,088,773.61 : x - Step 2: Convert to fraction form
28,645,506.16/39,531,753.36 = 16,088,773.61/x - Step 3: Cross multiply
28,645,506.16x = 39,531,753.36 × 16,088,773.61 - Step 4: Simplify right side
28,645,506.16x = 636,017,430,323,419 - Step 5: Solve for x
x = 636,017,430,323,419/28,645,506.16 - Step 6: Final answer
x = 22,203,043.88
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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.