Finding the Fourth Proportional to 10,501,654.19, 15,731,469.68 and 8,346,316.48
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Solution
The fourth proportional to 10,501,654.19, 15,731,469.68 and 8,346,316.48 is: 12,502,775.49
Step by Step Solution
- Step 1: Write the proportion equation
10,501,654.19 : 15,731,469.68 = 8,346,316.48 : x - Step 2: Convert to fraction form
10,501,654.19/15,731,469.68 = 8,346,316.48/x - Step 3: Cross multiply
10,501,654.19x = 15,731,469.68 × 8,346,316.48 - Step 4: Simplify right side
10,501,654.19x = 131,299,824,563,744.08 - Step 5: Solve for x
x = 131,299,824,563,744.08/10,501,654.19 - Step 6: Final answer
x = 12,502,775.49
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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.