Finding the Fourth Proportional to 14,008,124.64, 19,331,507.28 and 7,896,553.12
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Solution
The fourth proportional to 14,008,124.64, 19,331,507.28 and 7,896,553.12 is: 10,897,409.76
Step by Step Solution
- Step 1: Write the proportion equation
14,008,124.64 : 19,331,507.28 = 7,896,553.12 : x - Step 2: Convert to fraction form
14,008,124.64/19,331,507.28 = 7,896,553.12/x - Step 3: Cross multiply
14,008,124.64x = 19,331,507.28 × 7,896,553.12 - Step 4: Simplify right side
14,008,124.64x = 152,652,274,126,186.72 - Step 5: Solve for x
x = 152,652,274,126,186.72/14,008,124.64 - Step 6: Final answer
x = 10,897,409.76
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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.