Finding the Fourth Proportional to 15,750,314.18, 21,740,237.51 and 9,136,573.98
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Solution
The fourth proportional to 15,750,314.18, 21,740,237.51 and 9,136,573.98 is: 12,611,258.80
Step by Step Solution
- Step 1: Write the proportion equation
15,750,314.18 : 21,740,237.51 = 9,136,573.98 : x - Step 2: Convert to fraction form
15,750,314.18/21,740,237.51 = 9,136,573.98/x - Step 3: Cross multiply
15,750,314.18x = 21,740,237.51 × 9,136,573.98 - Step 4: Simplify right side
15,750,314.18x = 198,631,288,307,203.12 - Step 5: Solve for x
x = 198,631,288,307,203.12/15,750,314.18 - Step 6: Final answer
x = 12,611,258.80
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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.