Finding the Fourth Proportional to 29,709,389.98, 41,006,251.38 and 18,113,347.36
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Solution
The fourth proportional to 29,709,389.98, 41,006,251.38 and 18,113,347.36 is: 25,000,865.91
Step by Step Solution
- Step 1: Write the proportion equation
29,709,389.98 : 41,006,251.38 = 18,113,347.36 : x - Step 2: Convert to fraction form
29,709,389.98/41,006,251.38 = 18,113,347.36/x - Step 3: Cross multiply
29,709,389.98x = 41,006,251.38 × 18,113,347.36 - Step 4: Simplify right side
29,709,389.98x = 742,760,475,177,419.38 - Step 5: Solve for x
x = 742,760,475,177,419.38/29,709,389.98 - Step 6: Final answer
x = 25,000,865.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.