Finding the Fourth Proportional to 13,896,706.68, 19,177,457.04 and 7,702,153.32
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Solution
The fourth proportional to 13,896,706.68, 19,177,457.04 and 7,702,153.32 is: 10,628,972.59
Step by Step Solution
- Step 1: Write the proportion equation
13,896,706.68 : 19,177,457.04 = 7,702,153.32 : x - Step 2: Convert to fraction form
13,896,706.68/19,177,457.04 = 7,702,153.32/x - Step 3: Cross multiply
13,896,706.68x = 19,177,457.04 × 7,702,153.32 - Step 4: Simplify right side
13,896,706.68x = 147,707,714,409,793.38 - Step 5: Solve for x
x = 147,707,714,409,793.38/13,896,706.68 - Step 6: Final answer
x = 10,628,972.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.