Finding the Fourth Proportional to 14,251,258.77, 19,666,989.05 and 7,725,104.97
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Solution
The fourth proportional to 14,251,258.77, 19,666,989.05 and 7,725,104.97 is: 10,660,781.43
Step by Step Solution
- Step 1: Write the proportion equation
14,251,258.77 : 19,666,989.05 = 7,725,104.97 : x - Step 2: Convert to fraction form
14,251,258.77/19,666,989.05 = 7,725,104.97/x - Step 3: Cross multiply
14,251,258.77x = 19,666,989.05 × 7,725,104.97 - Step 4: Simplify right side
14,251,258.77x = 151,929,554,816,465.06 - Step 5: Solve for x
x = 151,929,554,816,465.06/14,251,258.77 - Step 6: Final answer
x = 10,660,781.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.