Finding the Fourth Proportional to 26,414,815.68, 39,618,136.80 and 10,854,221.76
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Solution
The fourth proportional to 26,414,815.68, 39,618,136.80 and 10,854,221.76 is: 16,279,653.35
Step by Step Solution
- Step 1: Write the proportion equation
26,414,815.68 : 39,618,136.80 = 10,854,221.76 : x - Step 2: Convert to fraction form
26,414,815.68/39,618,136.80 = 10,854,221.76/x - Step 3: Cross multiply
26,414,815.68x = 39,618,136.80 × 10,854,221.76 - Step 4: Simplify right side
26,414,815.68x = 430,024,042,545,216.75 - Step 5: Solve for x
x = 430,024,042,545,216.75/26,414,815.68 - Step 6: Final answer
x = 16,279,653.35
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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.