Finding the Fourth Proportional to 8,338,176.74, 11,506,564.89 and 4,616,652.09
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Solution
The fourth proportional to 8,338,176.74, 11,506,564.89 and 4,616,652.09 is: 6,370,913.99
Step by Step Solution
- Step 1: Write the proportion equation
8,338,176.74 : 11,506,564.89 = 4,616,652.09 : x - Step 2: Convert to fraction form
8,338,176.74/11,506,564.89 = 4,616,652.09/x - Step 3: Cross multiply
8,338,176.74x = 11,506,564.89 × 4,616,652.09 - Step 4: Simplify right side
8,338,176.74x = 53,121,806,848,139.12 - Step 5: Solve for x
x = 53,121,806,848,139.12/8,338,176.74 - Step 6: Final answer
x = 6,370,913.99
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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.