Finding the Fourth Proportional to 13,660,030.08, 18,850,848.12 and 7,548,458.58
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Solution
The fourth proportional to 13,660,030.08, 18,850,848.12 and 7,548,458.58 is: 10,416,876.49
Step by Step Solution
- Step 1: Write the proportion equation
13,660,030.08 : 18,850,848.12 = 7,548,458.58 : x - Step 2: Convert to fraction form
13,660,030.08/18,850,848.12 = 7,548,458.58/x - Step 3: Cross multiply
13,660,030.08x = 18,850,848.12 × 7,548,458.58 - Step 4: Simplify right side
13,660,030.08x = 142,294,846,231,690.88 - Step 5: Solve for x
x = 142,294,846,231,690.88/13,660,030.08 - Step 6: Final answer
x = 10,416,876.49
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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.