Finding the Fourth Proportional to 23,165,817.48, 31,968,402.93 and 12,852,319.14
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Solution
The fourth proportional to 23,165,817.48, 31,968,402.93 and 12,852,319.14 is: 17,735,964.52
Step by Step Solution
- Step 1: Write the proportion equation
23,165,817.48 : 31,968,402.93 = 12,852,319.14 : x - Step 2: Convert to fraction form
23,165,817.48/31,968,402.93 = 12,852,319.14/x - Step 3: Cross multiply
23,165,817.48x = 31,968,402.93 × 12,852,319.14 - Step 4: Simplify right side
23,165,817.48x = 410,868,116,852,471.12 - Step 5: Solve for x
x = 410,868,116,852,471.12/23,165,817.48 - Step 6: Final answer
x = 17,735,964.52
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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.