Finding the Fourth Proportional to 36,991,983.36, 55,500,298.08 and 12,402,343.26
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Solution
The fourth proportional to 36,991,983.36, 55,500,298.08 and 12,402,343.26 is: 18,607,646.45
Step by Step Solution
- Step 1: Write the proportion equation
36,991,983.36 : 55,500,298.08 = 12,402,343.26 : x - Step 2: Convert to fraction form
36,991,983.36/55,500,298.08 = 12,402,343.26/x - Step 3: Cross multiply
36,991,983.36x = 55,500,298.08 × 12,402,343.26 - Step 4: Simplify right side
36,991,983.36x = 688,333,747,820,478.88 - Step 5: Solve for x
x = 688,333,747,820,478.88/36,991,983.36 - Step 6: Final answer
x = 18,607,646.45
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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.