Finding the Fourth Proportional to 8,334,780.48, 12,485,993.94 and 6,142,368.42
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Solution
The fourth proportional to 8,334,780.48, 12,485,993.94 and 6,142,368.42 is: 9,201,631.05
Step by Step Solution
- Step 1: Write the proportion equation
8,334,780.48 : 12,485,993.94 = 6,142,368.42 : x - Step 2: Convert to fraction form
8,334,780.48/12,485,993.94 = 6,142,368.42/x - Step 3: Cross multiply
8,334,780.48x = 12,485,993.94 × 6,142,368.42 - Step 4: Simplify right side
8,334,780.48x = 76,693,574,869,367.38 - Step 5: Solve for x
x = 76,693,574,869,367.38/8,334,780.48 - Step 6: Final answer
x = 9,201,631.05
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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.