Finding the Fourth Proportional to 8,815,645.98, 13,217,432.14 and 4,489,321.67
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Solution
The fourth proportional to 8,815,645.98, 13,217,432.14 and 4,489,321.67 is: 6,730,908.28
Step by Step Solution
- Step 1: Write the proportion equation
8,815,645.98 : 13,217,432.14 = 4,489,321.67 : x - Step 2: Convert to fraction form
8,815,645.98/13,217,432.14 = 4,489,321.67/x - Step 3: Cross multiply
8,815,645.98x = 13,217,432.14 × 4,489,321.67 - Step 4: Simplify right side
8,815,645.98x = 59,337,304,516,946.34 - Step 5: Solve for x
x = 59,337,304,516,946.34/8,815,645.98 - Step 6: Final answer
x = 6,730,908.28
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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.