Finding the Fourth Proportional to 13,122,068.74, 19,683,103.11 and 11,208,881.14
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Solution
The fourth proportional to 13,122,068.74, 19,683,103.11 and 11,208,881.14 is: 16,813,321.71
Step by Step Solution
- Step 1: Write the proportion equation
13,122,068.74 : 19,683,103.11 = 11,208,881.14 : x - Step 2: Convert to fraction form
13,122,068.74/19,683,103.11 = 11,208,881.14/x - Step 3: Cross multiply
13,122,068.74x = 19,683,103.11 × 11,208,881.14 - Step 4: Simplify right side
13,122,068.74x = 220,625,563,135,113.25 - Step 5: Solve for x
x = 220,625,563,135,113.25/13,122,068.74 - Step 6: Final answer
x = 16,813,321.71
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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.