Finding the Fourth Proportional to 19,875,773.22, 27,428,402.04 and 11,173,984.53
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Solution
The fourth proportional to 19,875,773.22, 27,428,402.04 and 11,173,984.53 is: 15,420,005.89
Step by Step Solution
- Step 1: Write the proportion equation
19,875,773.22 : 27,428,402.04 = 11,173,984.53 : x - Step 2: Convert to fraction form
19,875,773.22/27,428,402.04 = 11,173,984.53/x - Step 3: Cross multiply
19,875,773.22x = 27,428,402.04 × 11,173,984.53 - Step 4: Simplify right side
19,875,773.22x = 306,484,540,077,580.44 - Step 5: Solve for x
x = 306,484,540,077,580.44/19,875,773.22 - Step 6: Final answer
x = 15,420,005.89
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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.