Finding the Fourth Proportional to 19,953,125.70, 29,941,498.35 and 13,149,368.70
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Solution
The fourth proportional to 19,953,125.70, 29,941,498.35 and 13,149,368.70 is: 19,731,835.86
Step by Step Solution
- Step 1: Write the proportion equation
19,953,125.70 : 29,941,498.35 = 13,149,368.70 : x - Step 2: Convert to fraction form
19,953,125.70/29,941,498.35 = 13,149,368.70/x - Step 3: Cross multiply
19,953,125.70x = 29,941,498.35 × 13,149,368.70 - Step 4: Simplify right side
19,953,125.70x = 393,711,801,234,591.62 - Step 5: Solve for x
x = 393,711,801,234,591.62/19,953,125.70 - Step 6: Final answer
x = 19,731,835.86
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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.