Finding the Fourth Proportional to 11,462,943.72, 15,818,290.56 and 6,306,172.68
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Solution
The fourth proportional to 11,462,943.72, 15,818,290.56 and 6,306,172.68 is: 8,702,203.75
Step by Step Solution
- Step 1: Write the proportion equation
11,462,943.72 : 15,818,290.56 = 6,306,172.68 : x - Step 2: Convert to fraction form
11,462,943.72/15,818,290.56 = 6,306,172.68/x - Step 3: Cross multiply
11,462,943.72x = 15,818,290.56 × 6,306,172.68 - Step 4: Simplify right side
11,462,943.72x = 99,752,871,773,773.91 - Step 5: Solve for x
x = 99,752,871,773,773.91/11,462,943.72 - Step 6: Final answer
x = 8,702,203.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.