Finding the Fourth Proportional to 19,683,974.10, 29,525,961.15 and 16,495,328.10
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Solution
The fourth proportional to 19,683,974.10, 29,525,961.15 and 16,495,328.10 is: 24,742,992.15
Step by Step Solution
- Step 1: Write the proportion equation
19,683,974.10 : 29,525,961.15 = 16,495,328.10 : x - Step 2: Convert to fraction form
19,683,974.10/29,525,961.15 = 16,495,328.10/x - Step 3: Cross multiply
19,683,974.10x = 29,525,961.15 × 16,495,328.10 - Step 4: Simplify right side
19,683,974.10x = 487,040,416,637,103.25 - Step 5: Solve for x
x = 487,040,416,637,103.25/19,683,974.10 - Step 6: Final answer
x = 24,742,992.15
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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.