Finding the Fourth Proportional to 29,035,231.82, 40,069,677.20 and 15,803,769.68
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Solution
The fourth proportional to 29,035,231.82, 40,069,677.20 and 15,803,769.68 is: 21,809,777.63
Step by Step Solution
- Step 1: Write the proportion equation
29,035,231.82 : 40,069,677.20 = 15,803,769.68 : x - Step 2: Convert to fraction form
29,035,231.82/40,069,677.20 = 15,803,769.68/x - Step 3: Cross multiply
29,035,231.82x = 40,069,677.20 × 15,803,769.68 - Step 4: Simplify right side
29,035,231.82x = 633,251,949,341,380.12 - Step 5: Solve for x
x = 633,251,949,341,380.12/29,035,231.82 - Step 6: Final answer
x = 21,809,777.63
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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.