Finding the Fourth Proportional to 19,814,257.55, 29,682,709.69 and 13,651,701.61
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Solution
The fourth proportional to 19,814,257.55, 29,682,709.69 and 13,651,701.61 is: 20,450,904.84
Step by Step Solution
- Step 1: Write the proportion equation
19,814,257.55 : 29,682,709.69 = 13,651,701.61 : x - Step 2: Convert to fraction form
19,814,257.55/29,682,709.69 = 13,651,701.61/x - Step 3: Cross multiply
19,814,257.55x = 29,682,709.69 × 13,651,701.61 - Step 4: Simplify right side
19,814,257.55x = 405,219,495,664,135.62 - Step 5: Solve for x
x = 405,219,495,664,135.62/19,814,257.55 - Step 6: Final answer
x = 20,450,904.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.