Finding the Fourth Proportional to 14,146,729.17, 19,522,486.44 and 7,708,201.17
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Solution
The fourth proportional to 14,146,729.17, 19,522,486.44 and 7,708,201.17 is: 10,637,317.72
Step by Step Solution
- Step 1: Write the proportion equation
14,146,729.17 : 19,522,486.44 = 7,708,201.17 : x - Step 2: Convert to fraction form
14,146,729.17/19,522,486.44 = 7,708,201.17/x - Step 3: Cross multiply
14,146,729.17x = 19,522,486.44 × 7,708,201.17 - Step 4: Simplify right side
14,146,729.17x = 150,483,252,818,117.16 - Step 5: Solve for x
x = 150,483,252,818,117.16/14,146,729.17 - Step 6: Final answer
x = 10,637,317.72
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1.5x scale
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.