Finding the Fourth Proportional to 40,706,972.63, 61,010,433.92 and 18,817,743.00
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Solution
The fourth proportional to 40,706,972.63, 61,010,433.92 and 18,817,743.00 is: 28,203,489.28
Step by Step Solution
- Step 1: Write the proportion equation
40,706,972.63 : 61,010,433.92 = 18,817,743.00 : x - Step 2: Convert to fraction form
40,706,972.63/61,010,433.92 = 18,817,743.00/x - Step 3: Cross multiply
40,706,972.63x = 61,010,433.92 × 18,817,743.00 - Step 4: Simplify right side
40,706,972.63x = 1,148,078,666,100,876 - Step 5: Solve for x
x = 1,148,078,666,100,876/40,706,972.63 - Step 6: Final answer
x = 28,203,489.28
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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.