Finding the Fourth Proportional to 14,292,646.78, 19,723,809.61 and 7,766,296.15
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Solution
The fourth proportional to 14,292,646.78, 19,723,809.61 and 7,766,296.15 is: 10,717,465.35
Step by Step Solution
- Step 1: Write the proportion equation
14,292,646.78 : 19,723,809.61 = 7,766,296.15 : x - Step 2: Convert to fraction form
14,292,646.78/19,723,809.61 = 7,766,296.15/x - Step 3: Cross multiply
14,292,646.78x = 19,723,809.61 × 7,766,296.15 - Step 4: Simplify right side
14,292,646.78x = 153,180,946,568,750.75 - Step 5: Solve for x
x = 153,180,946,568,750.75/14,292,646.78 - Step 6: Final answer
x = 10,717,465.35
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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.