Finding the Fourth Proportional to 23,079,808.71, 31,683,351.99 and 19,810,948.41
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Solution
The fourth proportional to 23,079,808.71, 31,683,351.99 and 19,810,948.41 is: 27,195,946.89
Step by Step Solution
- Step 1: Write the proportion equation
23,079,808.71 : 31,683,351.99 = 19,810,948.41 : x - Step 2: Convert to fraction form
23,079,808.71/31,683,351.99 = 19,810,948.41/x - Step 3: Cross multiply
23,079,808.71x = 31,683,351.99 × 19,810,948.41 - Step 4: Simplify right side
23,079,808.71x = 627,677,251,804,051.88 - Step 5: Solve for x
x = 627,677,251,804,051.88/23,079,808.71 - Step 6: Final answer
x = 27,195,946.89
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.