Finding the Fourth Proportional to 10,239,542.48, 14,129,357.60 and 5,655,590.48
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Solution
The fourth proportional to 10,239,542.48, 14,129,357.60 and 5,655,590.48 is: 7,804,045.98
Step by Step Solution
- Step 1: Write the proportion equation
10,239,542.48 : 14,129,357.60 = 5,655,590.48 : x - Step 2: Convert to fraction form
10,239,542.48/14,129,357.60 = 5,655,590.48/x - Step 3: Cross multiply
10,239,542.48x = 14,129,357.60 × 5,655,590.48 - Step 4: Simplify right side
10,239,542.48x = 79,909,860,331,075.66 - Step 5: Solve for x
x = 79,909,860,331,075.66/10,239,542.48 - Step 6: Final answer
x = 7,804,045.98
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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.