Finding the Fourth Proportional to 28,129,762.01, 42,201,006.38 and 8,961,610.97
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Solution
The fourth proportional to 28,129,762.01, 42,201,006.38 and 8,961,610.97 is: 13,444,443.70
Step by Step Solution
- Step 1: Write the proportion equation
28,129,762.01 : 42,201,006.38 = 8,961,610.97 : x - Step 2: Convert to fraction form
28,129,762.01/42,201,006.38 = 8,961,610.97/x - Step 3: Cross multiply
28,129,762.01x = 42,201,006.38 × 8,961,610.97 - Step 4: Simplify right side
28,129,762.01x = 378,189,001,720,048.06 - Step 5: Solve for x
x = 378,189,001,720,048.06/28,129,762.01 - Step 6: Final answer
x = 13,444,443.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.