Finding the Fourth Proportional to 7,637,153.16, 10,539,649.68 and 4,737,478.32
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Solution
The fourth proportional to 7,637,153.16, 10,539,649.68 and 4,737,478.32 is: 6,537,954.76
Step by Step Solution
- Step 1: Write the proportion equation
7,637,153.16 : 10,539,649.68 = 4,737,478.32 : x - Step 2: Convert to fraction form
7,637,153.16/10,539,649.68 = 4,737,478.32/x - Step 3: Cross multiply
7,637,153.16x = 10,539,649.68 × 4,737,478.32 - Step 4: Simplify right side
7,637,153.16x = 49,931,361,859,394.94 - Step 5: Solve for x
x = 49,931,361,859,394.94/7,637,153.16 - Step 6: Final answer
x = 6,537,954.76
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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.