Finding the Fourth Proportional to 15,235,457.74, 22,839,734.36 and 11,657,199.06
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Solution
The fourth proportional to 15,235,457.74, 22,839,734.36 and 11,657,199.06 is: 17,475,505.79
Step by Step Solution
- Step 1: Write the proportion equation
15,235,457.74 : 22,839,734.36 = 11,657,199.06 : x - Step 2: Convert to fraction form
15,235,457.74/22,839,734.36 = 11,657,199.06/x - Step 3: Cross multiply
15,235,457.74x = 22,839,734.36 × 11,657,199.06 - Step 4: Simplify right side
15,235,457.74x = 266,247,329,879,242.72 - Step 5: Solve for x
x = 266,247,329,879,242.72/15,235,457.74 - Step 6: Final answer
x = 17,475,505.79
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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.