Finding the Fourth Proportional to 11,408,943.06, 15,744,355.02 and 6,181,947.45
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Solution
The fourth proportional to 11,408,943.06, 15,744,355.02 and 6,181,947.45 is: 8,531,094.85
Step by Step Solution
- Step 1: Write the proportion equation
11,408,943.06 : 15,744,355.02 = 6,181,947.45 : x - Step 2: Convert to fraction form
11,408,943.06/15,744,355.02 = 6,181,947.45/x - Step 3: Cross multiply
11,408,943.06x = 15,744,355.02 × 6,181,947.45 - Step 4: Simplify right side
11,408,943.06x = 97,330,775,367,783.70 - Step 5: Solve for x
x = 97,330,775,367,783.70/11,408,943.06 - Step 6: Final answer
x = 8,531,094.85
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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.