Finding the Fourth Proportional to 21,730,547.48, 29,958,190.08 and 17,335,191.08
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Solution
The fourth proportional to 21,730,547.48, 29,958,190.08 and 17,335,191.08 is: 23,898,659.25
Step by Step Solution
- Step 1: Write the proportion equation
21,730,547.48 : 29,958,190.08 = 17,335,191.08 : x - Step 2: Convert to fraction form
21,730,547.48/29,958,190.08 = 17,335,191.08/x - Step 3: Cross multiply
21,730,547.48x = 29,958,190.08 × 17,335,191.08 - Step 4: Simplify right side
21,730,547.48x = 519,330,949,447,760.38 - Step 5: Solve for x
x = 519,330,949,447,760.38/21,730,547.48 - Step 6: Final answer
x = 23,898,659.25
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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.