Finding the Fourth Proportional to 19,725,153.95, 27,218,354.99 and 10,903,413.56
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Solution
The fourth proportional to 19,725,153.95, 27,218,354.99 and 10,903,413.56 is: 15,045,407.58
Step by Step Solution
- Step 1: Write the proportion equation
19,725,153.95 : 27,218,354.99 = 10,903,413.56 : x - Step 2: Convert to fraction form
19,725,153.95/27,218,354.99 = 10,903,413.56/x - Step 3: Cross multiply
19,725,153.95x = 27,218,354.99 × 10,903,413.56 - Step 4: Simplify right side
19,725,153.95x = 296,772,980,688,250.81 - Step 5: Solve for x
x = 296,772,980,688,250.81/19,725,153.95 - Step 6: Final answer
x = 15,045,407.58
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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.