Finding the Fourth Proportional to 19,470,560.80, 29,161,123.84 and 9,725,261.44
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Solution
The fourth proportional to 19,470,560.80, 29,161,123.84 and 9,725,261.44 is: 14,565,556.49
Step by Step Solution
- Step 1: Write the proportion equation
19,470,560.80 : 29,161,123.84 = 9,725,261.44 : x - Step 2: Convert to fraction form
19,470,560.80/29,161,123.84 = 9,725,261.44/x - Step 3: Cross multiply
19,470,560.80x = 29,161,123.84 × 9,725,261.44 - Step 4: Simplify right side
19,470,560.80x = 283,599,553,228,216.69 - Step 5: Solve for x
x = 283,599,553,228,216.69/19,470,560.80 - Step 6: Final answer
x = 14,565,556.49
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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.