Finding the Fourth Proportional to 16,827,391.24, 23,261,027.70 and 15,009,862.84
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Solution
The fourth proportional to 16,827,391.24, 23,261,027.70 and 15,009,862.84 is: 20,748,601.51
Step by Step Solution
- Step 1: Write the proportion equation
16,827,391.24 : 23,261,027.70 = 15,009,862.84 : x - Step 2: Convert to fraction form
16,827,391.24/23,261,027.70 = 15,009,862.84/x - Step 3: Cross multiply
16,827,391.24x = 23,261,027.70 × 15,009,862.84 - Step 4: Simplify right side
16,827,391.24x = 349,144,835,294,440.62 - Step 5: Solve for x
x = 349,144,835,294,440.62/16,827,391.24 - Step 6: Final answer
x = 20,748,601.51
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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.