Finding the Fourth Proportional to 36,980,763.91, 55,478,711.68 and 12,716,539.58
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Solution
The fourth proportional to 36,980,763.91, 55,478,711.68 and 12,716,539.58 is: 19,077,411.02
Step by Step Solution
- Step 1: Write the proportion equation
36,980,763.91 : 55,478,711.68 = 12,716,539.58 : x - Step 2: Convert to fraction form
36,980,763.91/55,478,711.68 = 12,716,539.58/x - Step 3: Cross multiply
36,980,763.91x = 55,478,711.68 × 12,716,539.58 - Step 4: Simplify right side
36,980,763.91x = 705,497,233,033,033.75 - Step 5: Solve for x
x = 705,497,233,033,033.75/36,980,763.91 - Step 6: Final answer
x = 19,077,411.02
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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.