Finding the Fourth Proportional to 10,489,466.34, 14,474,901.99 and 5,779,715.67
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Solution
The fourth proportional to 10,489,466.34, 14,474,901.99 and 5,779,715.67 is: 7,975,698.20
Step by Step Solution
- Step 1: Write the proportion equation
10,489,466.34 : 14,474,901.99 = 5,779,715.67 : x - Step 2: Convert to fraction form
10,489,466.34/14,474,901.99 = 5,779,715.67/x - Step 3: Cross multiply
10,489,466.34x = 14,474,901.99 × 5,779,715.67 - Step 4: Simplify right side
10,489,466.34x = 83,660,817,853,317.19 - Step 5: Solve for x
x = 83,660,817,853,317.19/10,489,466.34 - Step 6: Final answer
x = 7,975,698.20
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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.