Finding the Fourth Proportional to 51,996,782.92, 71,754,681.42 and 28,791,410.44
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Solution
The fourth proportional to 51,996,782.92, 71,754,681.42 and 28,791,410.44 is: 39,731,659.69
Step by Step Solution
- Step 1: Write the proportion equation
51,996,782.92 : 71,754,681.42 = 28,791,410.44 : x - Step 2: Convert to fraction form
51,996,782.92/71,754,681.42 = 28,791,410.44/x - Step 3: Cross multiply
51,996,782.92x = 71,754,681.42 × 28,791,410.44 - Step 4: Simplify right side
51,996,782.92x = 2,065,918,483,754,662.25 - Step 5: Solve for x
x = 2,065,918,483,754,662.25/51,996,782.92 - Step 6: Final answer
x = 39,731,659.69
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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.