Finding the Fourth Proportional to 13,889,562.16, 19,168,772.84 and 7,696,551.48
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Solution
The fourth proportional to 13,889,562.16, 19,168,772.84 and 7,696,551.48 is: 10,621,893.28
Step by Step Solution
- Step 1: Write the proportion equation
13,889,562.16 : 19,168,772.84 = 7,696,551.48 : x - Step 2: Convert to fraction form
13,889,562.16/19,168,772.84 = 7,696,551.48/x - Step 3: Cross multiply
13,889,562.16x = 19,168,772.84 × 7,696,551.48 - Step 4: Simplify right side
13,889,562.16x = 147,533,446,971,485.81 - Step 5: Solve for x
x = 147,533,446,971,485.81/13,889,562.16 - Step 6: Final answer
x = 10,621,893.28
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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.