Finding the Fourth Proportional to 37,498,312.94, 56,207,901.86 and 20,221,811.87
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Solution
The fourth proportional to 37,498,312.94, 56,207,901.86 and 20,221,811.87 is: 30,311,380.12
Step by Step Solution
- Step 1: Write the proportion equation
37,498,312.94 : 56,207,901.86 = 20,221,811.87 : x - Step 2: Convert to fraction form
37,498,312.94/56,207,901.86 = 20,221,811.87/x - Step 3: Cross multiply
37,498,312.94x = 56,207,901.86 × 20,221,811.87 - Step 4: Simplify right side
37,498,312.94x = 1,136,625,617,302,056.25 - Step 5: Solve for x
x = 1,136,625,617,302,056.25/37,498,312.94 - Step 6: Final answer
x = 30,311,380.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.