Finding the Fourth Proportional to 10,435,217.98, 15,653,899.47 and 3,611,779.99
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Solution
The fourth proportional to 10,435,217.98, 15,653,899.47 and 3,611,779.99 is: 5,418,041.19
Step by Step Solution
- Step 1: Write the proportion equation
10,435,217.98 : 15,653,899.47 = 3,611,779.99 : x - Step 2: Convert to fraction form
10,435,217.98/15,653,899.47 = 3,611,779.99/x - Step 3: Cross multiply
10,435,217.98x = 15,653,899.47 × 3,611,779.99 - Step 4: Simplify right side
10,435,217.98x = 56,538,440,871,217.61 - Step 5: Solve for x
x = 56,538,440,871,217.61/10,435,217.98 - Step 6: Final answer
x = 5,418,041.19
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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.