Finding the Fourth Proportional to 14,292,242.48, 19,721,074.38 and 8,490,875.12
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Solution
The fourth proportional to 14,292,242.48, 19,721,074.38 and 8,490,875.12 is: 11,716,088.64
Step by Step Solution
- Step 1: Write the proportion equation
14,292,242.48 : 19,721,074.38 = 8,490,875.12 : x - Step 2: Convert to fraction form
14,292,242.48/19,721,074.38 = 8,490,875.12/x - Step 3: Cross multiply
14,292,242.48x = 19,721,074.38 × 8,490,875.12 - Step 4: Simplify right side
14,292,242.48x = 167,449,179,792,811.41 - Step 5: Solve for x
x = 167,449,179,792,811.41/14,292,242.48 - Step 6: Final answer
x = 11,716,088.64
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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.