Finding the Fourth Proportional to 10,268,292.24, 14,169,681 and 5,621,178.60
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Solution
The fourth proportional to 10,268,292.24, 14,169,681 and 5,621,178.60 is: 7,756,918.65
Step by Step Solution
- Step 1: Write the proportion equation
10,268,292.24 : 14,169,681 = 5,621,178.60 : x - Step 2: Convert to fraction form
10,268,292.24/14,169,681 = 5,621,178.60/x - Step 3: Cross multiply
10,268,292.24x = 14,169,681 × 5,621,178.60 - Step 4: Simplify right side
10,268,292.24x = 79,650,307,606,026.59 - Step 5: Solve for x
x = 79,650,307,606,026.59/10,268,292.24 - Step 6: Final answer
x = 7,756,918.65
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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.