Finding the Fourth Proportional to 14,239,873.36, 19,651,119.59 and 7,713,502.82
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Solution
The fourth proportional to 14,239,873.36, 19,651,119.59 and 7,713,502.82 is: 10,644,685.00
Step by Step Solution
- Step 1: Write the proportion equation
14,239,873.36 : 19,651,119.59 = 7,713,502.82 : x - Step 2: Convert to fraction form
14,239,873.36/19,651,119.59 = 7,713,502.82/x - Step 3: Cross multiply
14,239,873.36x = 19,651,119.59 × 7,713,502.82 - Step 4: Simplify right side
14,239,873.36x = 151,578,966,294,650.41 - Step 5: Solve for x
x = 151,578,966,294,650.41/14,239,873.36 - Step 6: Final answer
x = 10,644,685.00
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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.