Finding the Fourth Proportional to 12,359,730.80, 18,539,630.76 and 3,841,312.88
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Solution
The fourth proportional to 12,359,730.80, 18,539,630.76 and 3,841,312.88 is: 5,761,980.06
Step by Step Solution
- Step 1: Write the proportion equation
12,359,730.80 : 18,539,630.76 = 3,841,312.88 : x - Step 2: Convert to fraction form
12,359,730.80/18,539,630.76 = 3,841,312.88/x - Step 3: Cross multiply
12,359,730.80x = 18,539,630.76 × 3,841,312.88 - Step 4: Simplify right side
12,359,730.80x = 71,216,522,428,832.19 - Step 5: Solve for x
x = 71,216,522,428,832.19/12,359,730.80 - Step 6: Final answer
x = 5,761,980.06
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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.