Finding the Fourth Proportional to 42,201,491.61, 63,293,379.95 and 11,902,268.73
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Solution
The fourth proportional to 42,201,491.61, 63,293,379.95 and 11,902,268.73 is: 17,850,904.99
Step by Step Solution
- Step 1: Write the proportion equation
42,201,491.61 : 63,293,379.95 = 11,902,268.73 : x - Step 2: Convert to fraction form
42,201,491.61/63,293,379.95 = 11,902,268.73/x - Step 3: Cross multiply
42,201,491.61x = 63,293,379.95 × 11,902,268.73 - Step 4: Simplify right side
42,201,491.61x = 753,334,816,994,894 - Step 5: Solve for x
x = 753,334,816,994,894/42,201,491.61 - Step 6: Final answer
x = 17,850,904.99
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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.