Finding the Fourth Proportional to 7,853,830.08, 11,779,432.80 and 2,174,628.48
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Solution
The fourth proportional to 7,853,830.08, 11,779,432.80 and 2,174,628.48 is: 3,261,579.35
Step by Step Solution
- Step 1: Write the proportion equation
7,853,830.08 : 11,779,432.80 = 2,174,628.48 : x - Step 2: Convert to fraction form
7,853,830.08/11,779,432.80 = 2,174,628.48/x - Step 3: Cross multiply
7,853,830.08x = 11,779,432.80 × 2,174,628.48 - Step 4: Simplify right side
7,853,830.08x = 25,615,890,045,126.14 - Step 5: Solve for x
x = 25,615,890,045,126.14/7,853,830.08 - Step 6: Final answer
x = 3,261,579.35
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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.