Finding the Fourth Proportional to 7,402,080.90, 11,103,121.35 and 2,353,901.70
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Solution
The fourth proportional to 7,402,080.90, 11,103,121.35 and 2,353,901.70 is: 3,530,852.55
Step by Step Solution
- Step 1: Write the proportion equation
7,402,080.90 : 11,103,121.35 = 2,353,901.70 : x - Step 2: Convert to fraction form
7,402,080.90/11,103,121.35 = 2,353,901.70/x - Step 3: Cross multiply
7,402,080.90x = 11,103,121.35 × 2,353,901.70 - Step 4: Simplify right side
7,402,080.90x = 26,135,656,221,071.30 - Step 5: Solve for x
x = 26,135,656,221,071.30/7,402,080.90 - Step 6: Final answer
x = 3,530,852.55
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1.5x scale
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.