Finding the Fourth Proportional to 13,236,470.20, 19,854,705.30 and 4,726,415.80
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Solution
The fourth proportional to 13,236,470.20, 19,854,705.30 and 4,726,415.80 is: 7,089,623.70
Step by Step Solution
- Step 1: Write the proportion equation
13,236,470.20 : 19,854,705.30 = 4,726,415.80 : x - Step 2: Convert to fraction form
13,236,470.20/19,854,705.30 = 4,726,415.80/x - Step 3: Cross multiply
13,236,470.20x = 19,854,705.30 × 4,726,415.80 - Step 4: Simplify right side
13,236,470.20x = 93,841,592,834,263.73 - Step 5: Solve for x
x = 93,841,592,834,263.73/13,236,470.20 - Step 6: Final answer
x = 7,089,623.70
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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.