Finding the Fourth Proportional to 32,920,077.64, 45,430,070.52 and 18,235,968.88
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Solution
The fourth proportional to 32,920,077.64, 45,430,070.52 and 18,235,968.88 is: 25,165,838.35
Step by Step Solution
- Step 1: Write the proportion equation
32,920,077.64 : 45,430,070.52 = 18,235,968.88 : x - Step 2: Convert to fraction form
32,920,077.64/45,430,070.52 = 18,235,968.88/x - Step 3: Cross multiply
32,920,077.64x = 45,430,070.52 × 18,235,968.88 - Step 4: Simplify right side
32,920,077.64x = 828,461,352,218,925.38 - Step 5: Solve for x
x = 828,461,352,218,925.38/32,920,077.64 - Step 6: Final answer
x = 25,165,838.35
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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.