Finding the Fourth Proportional to 56,661,551.60, 84,992,327.40 and 18,326,940.80
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Solution
The fourth proportional to 56,661,551.60, 84,992,327.40 and 18,326,940.80 is: 27,490,411.20
Step by Step Solution
- Step 1: Write the proportion equation
56,661,551.60 : 84,992,327.40 = 18,326,940.80 : x - Step 2: Convert to fraction form
56,661,551.60/84,992,327.40 = 18,326,940.80/x - Step 3: Cross multiply
56,661,551.60x = 84,992,327.40 × 18,326,940.80 - Step 4: Simplify right side
56,661,551.60x = 1,557,649,352,714,018 - Step 5: Solve for x
x = 1,557,649,352,714,018/56,661,551.60 - Step 6: Final answer
x = 27,490,411.20
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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.