Finding the Fourth Proportional to 7,865,393.22, 10,854,447.93 and 4,427,759.70
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Solution
The fourth proportional to 7,865,393.22, 10,854,447.93 and 4,427,759.70 is: 6,110,423.95
Step by Step Solution
- Step 1: Write the proportion equation
7,865,393.22 : 10,854,447.93 = 4,427,759.70 : x - Step 2: Convert to fraction form
7,865,393.22/10,854,447.93 = 4,427,759.70/x - Step 3: Cross multiply
7,865,393.22x = 10,854,447.93 × 4,427,759.70 - Step 4: Simplify right side
7,865,393.22x = 48,060,887,110,202.42 - Step 5: Solve for x
x = 48,060,887,110,202.42/7,865,393.22 - Step 6: Final answer
x = 6,110,423.95
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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.