Finding the Fourth Proportional to 49,092,693.68, 73,639,001.64 and 13,190,901.68
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Solution
The fourth proportional to 49,092,693.68, 73,639,001.64 and 13,190,901.68 is: 19,786,342.07
Step by Step Solution
- Step 1: Write the proportion equation
49,092,693.68 : 73,639,001.64 = 13,190,901.68 : x - Step 2: Convert to fraction form
49,092,693.68/73,639,001.64 = 13,190,901.68/x - Step 3: Cross multiply
49,092,693.68x = 73,639,001.64 × 13,190,901.68 - Step 4: Simplify right side
49,092,693.68x = 971,364,830,446,598.75 - Step 5: Solve for x
x = 971,364,830,446,598.75/49,092,693.68 - Step 6: Final answer
x = 19,786,342.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.