Finding the Fourth Proportional to 38,417,379.84, 57,611,606.40 and 15,686,110.08
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Solution
The fourth proportional to 38,417,379.84, 57,611,606.40 and 15,686,110.08 is: 23,523,259.62
Step by Step Solution
- Step 1: Write the proportion equation
38,417,379.84 : 57,611,606.40 = 15,686,110.08 : x - Step 2: Convert to fraction form
38,417,379.84/57,611,606.40 = 15,686,110.08/x - Step 3: Cross multiply
38,417,379.84x = 57,611,606.40 × 15,686,110.08 - Step 4: Simplify right side
38,417,379.84x = 903,701,999,876,032.50 - Step 5: Solve for x
x = 903,701,999,876,032.50/38,417,379.84 - Step 6: Final answer
x = 23,523,259.62
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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.