Finding the Fourth Proportional to 13,122,331.60, 19,683,497.40 and 4,146,883.60
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Solution
The fourth proportional to 13,122,331.60, 19,683,497.40 and 4,146,883.60 is: 6,220,325.40
Step by Step Solution
- Step 1: Write the proportion equation
13,122,331.60 : 19,683,497.40 = 4,146,883.60 : x - Step 2: Convert to fraction form
13,122,331.60/19,683,497.40 = 4,146,883.60/x - Step 3: Cross multiply
13,122,331.60x = 19,683,497.40 × 4,146,883.60 - Step 4: Simplify right side
13,122,331.60x = 81,625,172,558,702.64 - Step 5: Solve for x
x = 81,625,172,558,702.64/13,122,331.60 - Step 6: Final answer
x = 6,220,325.40
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1.5x scale
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.