Finding the Fourth Proportional to 14,192,790.74, 19,586,058.80 and 7,666,420.06
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Solution
The fourth proportional to 14,192,790.74, 19,586,058.80 and 7,666,420.06 is: 10,579,663.78
Step by Step Solution
- Step 1: Write the proportion equation
14,192,790.74 : 19,586,058.80 = 7,666,420.06 : x - Step 2: Convert to fraction form
14,192,790.74/19,586,058.80 = 7,666,420.06/x - Step 3: Cross multiply
14,192,790.74x = 19,586,058.80 × 7,666,420.06 - Step 4: Simplify right side
14,192,790.74x = 150,154,954,066,810.03 - Step 5: Solve for x
x = 150,154,954,066,810.03/14,192,790.74 - Step 6: Final answer
x = 10,579,663.78
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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.