Finding the Fourth Proportional to 8,432,308.38, 11,636,589.48 and 4,564,829.54
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Solution
The fourth proportional to 8,432,308.38, 11,636,589.48 and 4,564,829.54 is: 6,299,466.88
Step by Step Solution
- Step 1: Write the proportion equation
8,432,308.38 : 11,636,589.48 = 4,564,829.54 : x - Step 2: Convert to fraction form
8,432,308.38/11,636,589.48 = 4,564,829.54/x - Step 3: Cross multiply
8,432,308.38x = 11,636,589.48 × 4,564,829.54 - Step 4: Simplify right side
8,432,308.38x = 53,119,047,403,157.24 - Step 5: Solve for x
x = 53,119,047,403,157.24/8,432,308.38 - Step 6: Final answer
x = 6,299,466.88
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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.