Finding the Fourth Proportional to 32,341,372.40, 48,512,058.60 and 13,185,876.80
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Solution
The fourth proportional to 32,341,372.40, 48,512,058.60 and 13,185,876.80 is: 19,778,815.20
Step by Step Solution
- Step 1: Write the proportion equation
32,341,372.40 : 48,512,058.60 = 13,185,876.80 : x - Step 2: Convert to fraction form
32,341,372.40/48,512,058.60 = 13,185,876.80/x - Step 3: Cross multiply
32,341,372.40x = 48,512,058.60 × 13,185,876.80 - Step 4: Simplify right side
32,341,372.40x = 639,674,028,013,980.50 - Step 5: Solve for x
x = 639,674,028,013,980.50/32,341,372.40 - Step 6: Final answer
x = 19,778,815.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.