Finding the Fourth Proportional to 30,340,041.60, 45,515,967.30 and 8,775,346.80
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Solution
The fourth proportional to 30,340,041.60, 45,515,967.30 and 8,775,346.80 is: 13,164,728.09
Step by Step Solution
- Step 1: Write the proportion equation
30,340,041.60 : 45,515,967.30 = 8,775,346.80 : x - Step 2: Convert to fraction form
30,340,041.60/45,515,967.30 = 8,775,346.80/x - Step 3: Cross multiply
30,340,041.60x = 45,515,967.30 × 8,775,346.80 - Step 4: Simplify right side
30,340,041.60x = 399,418,397,994,959.62 - Step 5: Solve for x
x = 399,418,397,994,959.62/30,340,041.60 - Step 6: Final answer
x = 13,164,728.09
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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.