Finding the Fourth Proportional to 13,236,468.70, 19,854,703.05 and 4,726,414.30
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Solution
The fourth proportional to 13,236,468.70, 19,854,703.05 and 4,726,414.30 is: 7,089,621.45
Step by Step Solution
- Step 1: Write the proportion equation
13,236,468.70 : 19,854,703.05 = 4,726,414.30 : x - Step 2: Convert to fraction form
13,236,468.70/19,854,703.05 = 4,726,414.30/x - Step 3: Cross multiply
13,236,468.70x = 19,854,703.05 × 4,726,414.30 - Step 4: Simplify right side
13,236,468.70x = 93,841,552,417,773.61 - Step 5: Solve for x
x = 93,841,552,417,773.61/13,236,468.70 - Step 6: Final answer
x = 7,089,621.45
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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.