Finding the Fourth Proportional to 19,920,727.08, 27,489,877.50 and 11,099,722.36
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Solution
The fourth proportional to 19,920,727.08, 27,489,877.50 and 11,099,722.36 is: 15,317,212.41
Step by Step Solution
- Step 1: Write the proportion equation
19,920,727.08 : 27,489,877.50 = 11,099,722.36 : x - Step 2: Convert to fraction form
19,920,727.08/27,489,877.50 = 11,099,722.36/x - Step 3: Cross multiply
19,920,727.08x = 27,489,877.50 × 11,099,722.36 - Step 4: Simplify right side
19,920,727.08x = 305,130,007,960,410.88 - Step 5: Solve for x
x = 305,130,007,960,410.88/19,920,727.08 - Step 6: Final answer
x = 15,317,212.41
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.