Finding the Fourth Proportional to 10,032,090.18, 13,845,138.28 and 5,681,950.36
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Solution
The fourth proportional to 10,032,090.18, 13,845,138.28 and 5,681,950.36 is: 7,841,575.09
Step by Step Solution
- Step 1: Write the proportion equation
10,032,090.18 : 13,845,138.28 = 5,681,950.36 : x - Step 2: Convert to fraction form
10,032,090.18/13,845,138.28 = 5,681,950.36/x - Step 3: Cross multiply
10,032,090.18x = 13,845,138.28 × 5,681,950.36 - Step 4: Simplify right side
10,032,090.18x = 78,667,388,434,295.78 - Step 5: Solve for x
x = 78,667,388,434,295.78/10,032,090.18 - Step 6: Final answer
x = 7,841,575.09
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1.5x scale
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.