Finding the Fourth Proportional to 7,020,934.80, 10,531,402.20 and 6,223,773.30
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Solution
The fourth proportional to 7,020,934.80, 10,531,402.20 and 6,223,773.30 is: 9,335,659.95
Step by Step Solution
- Step 1: Write the proportion equation
7,020,934.80 : 10,531,402.20 = 6,223,773.30 : x - Step 2: Convert to fraction form
7,020,934.80/10,531,402.20 = 6,223,773.30/x - Step 3: Cross multiply
7,020,934.80x = 10,531,402.20 × 6,223,773.30 - Step 4: Simplify right side
7,020,934.80x = 65,545,059,823,921.25 - Step 5: Solve for x
x = 65,545,059,823,921.25/7,020,934.80 - Step 6: Final answer
x = 9,335,659.95
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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.