Finding the Fourth Proportional to 36,700,489.95, 55,048,985.32 and 12,437,037.15
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Solution
The fourth proportional to 36,700,489.95, 55,048,985.32 and 12,437,037.15 is: 18,654,962.82
Step by Step Solution
- Step 1: Write the proportion equation
36,700,489.95 : 55,048,985.32 = 12,437,037.15 : x - Step 2: Convert to fraction form
36,700,489.95/55,048,985.32 = 12,437,037.15/x - Step 3: Cross multiply
36,700,489.95x = 55,048,985.32 × 12,437,037.15 - Step 4: Simplify right side
36,700,489.95x = 684,646,275,494,644.62 - Step 5: Solve for x
x = 684,646,275,494,644.62/36,700,489.95 - Step 6: Final answer
x = 18,654,962.82
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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.