Finding the Fourth Proportional to 36,970,871.80, 55,461,351.98 and 15,400,428.95
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Solution
The fourth proportional to 36,970,871.80, 55,461,351.98 and 15,400,428.95 is: 23,102,744.64
Step by Step Solution
- Step 1: Write the proportion equation
36,970,871.80 : 55,461,351.98 = 15,400,428.95 : x - Step 2: Convert to fraction form
36,970,871.80/55,461,351.98 = 15,400,428.95/x - Step 3: Cross multiply
36,970,871.80x = 55,461,351.98 × 15,400,428.95 - Step 4: Simplify right side
36,970,871.80x = 854,128,610,284,623 - Step 5: Solve for x
x = 854,128,610,284,623/36,970,871.80 - Step 6: Final answer
x = 23,102,744.64
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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.