Finding the Fourth Proportional to 7,656,211.76, 11,483,714.99 and 3,338,160.08
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Solution
The fourth proportional to 7,656,211.76, 11,483,714.99 and 3,338,160.08 is: 5,006,977.36
Step by Step Solution
- Step 1: Write the proportion equation
7,656,211.76 : 11,483,714.99 = 3,338,160.08 : x - Step 2: Convert to fraction form
7,656,211.76/11,483,714.99 = 3,338,160.08/x - Step 3: Cross multiply
7,656,211.76x = 11,483,714.99 × 3,338,160.08 - Step 4: Simplify right side
7,656,211.76x = 38,334,478,900,642.42 - Step 5: Solve for x
x = 38,334,478,900,642.42/7,656,211.76 - Step 6: Final answer
x = 5,006,977.36
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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.