Finding the Fourth Proportional to 19,717,121.70, 29,575,682.55 and 16,357,889.70
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Solution
The fourth proportional to 19,717,121.70, 29,575,682.55 and 16,357,889.70 is: 24,536,834.55
Step by Step Solution
- Step 1: Write the proportion equation
19,717,121.70 : 29,575,682.55 = 16,357,889.70 : x - Step 2: Convert to fraction form
19,717,121.70/29,575,682.55 = 16,357,889.70/x - Step 3: Cross multiply
19,717,121.70x = 29,575,682.55 × 16,357,889.70 - Step 4: Simplify right side
19,717,121.70x = 483,795,752,955,114.75 - Step 5: Solve for x
x = 483,795,752,955,114.75/19,717,121.70 - Step 6: Final answer
x = 24,536,834.55
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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.