Finding the Fourth Proportional to 36,699,090.70, 55,046,886.45 and 12,435,637.90
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Solution
The fourth proportional to 36,699,090.70, 55,046,886.45 and 12,435,637.90 is: 18,652,863.99
Step by Step Solution
- Step 1: Write the proportion equation
36,699,090.70 : 55,046,886.45 = 12,435,637.90 : x - Step 2: Convert to fraction form
36,699,090.70/55,046,886.45 = 12,435,637.90/x - Step 3: Cross multiply
36,699,090.70x = 55,046,886.45 × 12,435,637.90 - Step 4: Simplify right side
36,699,090.70x = 684,543,147,414,616.50 - Step 5: Solve for x
x = 684,543,147,414,616.50/36,699,090.70 - Step 6: Final answer
x = 18,652,863.99
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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.