Finding the Fourth Proportional to 13,878,404.73, 19,152,203.16 and 7,599,329.19
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Solution
The fourth proportional to 13,878,404.73, 19,152,203.16 and 7,599,329.19 is: 10,487,076.82
Step by Step Solution
- Step 1: Write the proportion equation
13,878,404.73 : 19,152,203.16 = 7,599,329.19 : x - Step 2: Convert to fraction form
13,878,404.73/19,152,203.16 = 7,599,329.19/x - Step 3: Cross multiply
13,878,404.73x = 19,152,203.16 × 7,599,329.19 - Step 4: Simplify right side
13,878,404.73x = 145,543,896,526,598.25 - Step 5: Solve for x
x = 145,543,896,526,598.25/13,878,404.73 - Step 6: Final answer
x = 10,487,076.82
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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.