Finding the Fourth Proportional to 11,878,303.58, 16,392,058.94 and 6,445,795.58
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Solution
The fourth proportional to 11,878,303.58, 16,392,058.94 and 6,445,795.58 is: 8,895,197.89
Step by Step Solution
- Step 1: Write the proportion equation
11,878,303.58 : 16,392,058.94 = 6,445,795.58 : x - Step 2: Convert to fraction form
11,878,303.58/16,392,058.94 = 6,445,795.58/x - Step 3: Cross multiply
11,878,303.58x = 16,392,058.94 × 6,445,795.58 - Step 4: Simplify right side
11,878,303.58x = 105,659,860,948,362.22 - Step 5: Solve for x
x = 105,659,860,948,362.22/11,878,303.58 - Step 6: Final answer
x = 8,895,197.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.