Finding the Fourth Proportional to 29,186,683.90, 40,276,368.01 and 15,955,609.04
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Solution
The fourth proportional to 29,186,683.90, 40,276,368.01 and 15,955,609.04 is: 22,018,053.99
Step by Step Solution
- Step 1: Write the proportion equation
29,186,683.90 : 40,276,368.01 = 15,955,609.04 : x - Step 2: Convert to fraction form
29,186,683.90/40,276,368.01 = 15,955,609.04/x - Step 3: Cross multiply
29,186,683.90x = 40,276,368.01 × 15,955,609.04 - Step 4: Simplify right side
29,186,683.90x = 642,633,981,714,876.38 - Step 5: Solve for x
x = 642,633,981,714,876.38/29,186,683.90 - Step 6: Final answer
x = 22,018,053.99
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1.5x scale
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.