Finding the Fourth Proportional to 15,781,647.53, 23,679,291 and 8,486,580.77
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Solution
The fourth proportional to 15,781,647.53, 23,679,291 and 8,486,580.77 is: 12,733,538.45
Step by Step Solution
- Step 1: Write the proportion equation
15,781,647.53 : 23,679,291 = 8,486,580.77 : x - Step 2: Convert to fraction form
15,781,647.53/23,679,291 = 8,486,580.77/x - Step 3: Cross multiply
15,781,647.53x = 23,679,291 × 8,486,580.77 - Step 4: Simplify right side
15,781,647.53x = 200,956,215,647,834.06 - Step 5: Solve for x
x = 200,956,215,647,834.06/15,781,647.53 - Step 6: Final answer
x = 12,733,538.45
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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.