Finding the Fourth Proportional to 19,683,531.30, 29,525,296.95 and 16,943,657.70
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Solution
The fourth proportional to 19,683,531.30, 29,525,296.95 and 16,943,657.70 is: 25,415,486.55
Step by Step Solution
- Step 1: Write the proportion equation
19,683,531.30 : 29,525,296.95 = 16,943,657.70 : x - Step 2: Convert to fraction form
19,683,531.30/29,525,296.95 = 16,943,657.70/x - Step 3: Cross multiply
19,683,531.30x = 29,525,296.95 × 16,943,657.70 - Step 4: Simplify right side
19,683,531.30x = 500,266,525,011,654 - Step 5: Solve for x
x = 500,266,525,011,654/19,683,531.30 - Step 6: Final answer
x = 25,415,486.55
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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.