Finding the Fourth Proportional to 30,125,440.19, 41,570,202.52 and 16,895,154.21
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Solution
The fourth proportional to 30,125,440.19, 41,570,202.52 and 16,895,154.21 is: 23,313,683.65
Step by Step Solution
- Step 1: Write the proportion equation
30,125,440.19 : 41,570,202.52 = 16,895,154.21 : x - Step 2: Convert to fraction form
30,125,440.19/41,570,202.52 = 16,895,154.21/x - Step 3: Cross multiply
30,125,440.19x = 41,570,202.52 × 16,895,154.21 - Step 4: Simplify right side
30,125,440.19x = 702,334,982,220,256.12 - Step 5: Solve for x
x = 702,334,982,220,256.12/30,125,440.19 - Step 6: Final answer
x = 23,313,683.65
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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.