Finding the Fourth Proportional to 19,683,487.60, 29,525,231.40 and 18,487,745.35
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Solution
The fourth proportional to 19,683,487.60, 29,525,231.40 and 18,487,745.35 is: 27,731,618.03
Step by Step Solution
- Step 1: Write the proportion equation
19,683,487.60 : 29,525,231.40 = 18,487,745.35 : x - Step 2: Convert to fraction form
19,683,487.60/29,525,231.40 = 18,487,745.35/x - Step 3: Cross multiply
19,683,487.60x = 29,525,231.40 × 18,487,745.35 - Step 4: Simplify right side
19,683,487.60x = 545,854,959,523,024 - Step 5: Solve for x
x = 545,854,959,523,024/19,683,487.60 - Step 6: Final answer
x = 27,731,618.03
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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.