Finding the Fourth Proportional to 21,594,831.57, 29,642,238.74 and 19,092,630.15
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Solution
The fourth proportional to 21,594,831.57, 29,642,238.74 and 19,092,630.15 is: 26,207,581.17
Step by Step Solution
- Step 1: Write the proportion equation
21,594,831.57 : 29,642,238.74 = 19,092,630.15 : x - Step 2: Convert to fraction form
21,594,831.57/29,642,238.74 = 19,092,630.15/x - Step 3: Cross multiply
21,594,831.57x = 29,642,238.74 × 19,092,630.15 - Step 4: Simplify right side
21,594,831.57x = 565,948,301,128,553.50 - Step 5: Solve for x
x = 565,948,301,128,553.50/21,594,831.57 - Step 6: Final answer
x = 26,207,581.17
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.