Finding the Fourth Proportional to 14,119,782.40, 21,182,626.05 and 4,536,129.70
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Solution
The fourth proportional to 14,119,782.40, 21,182,626.05 and 4,536,129.70 is: 6,805,143.06
Step by Step Solution
- Step 1: Write the proportion equation
14,119,782.40 : 21,182,626.05 = 4,536,129.70 : x - Step 2: Convert to fraction form
14,119,782.40/21,182,626.05 = 4,536,129.70/x - Step 3: Cross multiply
14,119,782.40x = 21,182,626.05 × 4,536,129.70 - Step 4: Simplify right side
14,119,782.40x = 96,087,139,149,398.69 - Step 5: Solve for x
x = 96,087,139,149,398.69/14,119,782.40 - Step 6: Final answer
x = 6,805,143.06
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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.