Finding the Fourth Proportional to 28,761,436.24, 39,664,495.68 and 22,482,792.88
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Solution
The fourth proportional to 28,761,436.24, 39,664,495.68 and 22,482,792.88 is: 31,005,706.17
Step by Step Solution
- Step 1: Write the proportion equation
28,761,436.24 : 39,664,495.68 = 22,482,792.88 : x - Step 2: Convert to fraction form
28,761,436.24/39,664,495.68 = 22,482,792.88/x - Step 3: Cross multiply
28,761,436.24x = 39,664,495.68 × 22,482,792.88 - Step 4: Simplify right side
28,761,436.24x = 891,768,641,063,094.75 - Step 5: Solve for x
x = 891,768,641,063,094.75/28,761,436.24 - Step 6: Final answer
x = 31,005,706.17
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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.