Finding the Fourth Proportional to 13,792,871.58, 19,035,657.74 and 7,598,553.05
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Solution
The fourth proportional to 13,792,871.58, 19,035,657.74 and 7,598,553.05 is: 10,486,826.78
Step by Step Solution
- Step 1: Write the proportion equation
13,792,871.58 : 19,035,657.74 = 7,598,553.05 : x - Step 2: Convert to fraction form
13,792,871.58/19,035,657.74 = 7,598,553.05/x - Step 3: Cross multiply
13,792,871.58x = 19,035,657.74 × 7,598,553.05 - Step 4: Simplify right side
13,792,871.58x = 144,643,455,045,862.06 - Step 5: Solve for x
x = 144,643,455,045,862.06/13,792,871.58 - Step 6: Final answer
x = 10,486,826.78
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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.