Finding the Fourth Proportional to 14,292,613.24, 19,723,930.82 and 7,766,242.81
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Solution
The fourth proportional to 14,292,613.24, 19,723,930.82 and 7,766,242.81 is: 10,717,482.75
Step by Step Solution
- Step 1: Write the proportion equation
14,292,613.24 : 19,723,930.82 = 7,766,242.81 : x - Step 2: Convert to fraction form
14,292,613.24/19,723,930.82 = 7,766,242.81/x - Step 3: Cross multiply
14,292,613.24x = 19,723,930.82 × 7,766,242.81 - Step 4: Simplify right side
14,292,613.24x = 153,180,835,915,762.41 - Step 5: Solve for x
x = 153,180,835,915,762.41/14,292,613.24 - Step 6: Final answer
x = 10,717,482.75
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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.