Finding the Fourth Proportional to 19,936,898.10, 29,905,347.15 and 9,859,202.10
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Solution
The fourth proportional to 19,936,898.10, 29,905,347.15 and 9,859,202.10 is: 14,788,803.15
Step by Step Solution
- Step 1: Write the proportion equation
19,936,898.10 : 29,905,347.15 = 9,859,202.10 : x - Step 2: Convert to fraction form
19,936,898.10/29,905,347.15 = 9,859,202.10/x - Step 3: Cross multiply
19,936,898.10x = 29,905,347.15 × 9,859,202.10 - Step 4: Simplify right side
19,936,898.10x = 294,842,861,422,509 - Step 5: Solve for x
x = 294,842,861,422,509/19,936,898.10 - Step 6: Final answer
x = 14,788,803.15
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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.