Finding the Fourth Proportional to 28,807,787.84, 43,167,506.36 and 19,574,000.34
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Solution
The fourth proportional to 28,807,787.84, 43,167,506.36 and 19,574,000.34 is: 29,330,984.69
Step by Step Solution
- Step 1: Write the proportion equation
28,807,787.84 : 43,167,506.36 = 19,574,000.34 : x - Step 2: Convert to fraction form
28,807,787.84/43,167,506.36 = 19,574,000.34/x - Step 3: Cross multiply
28,807,787.84x = 43,167,506.36 × 19,574,000.34 - Step 4: Simplify right side
28,807,787.84x = 844,960,784,167,592.12 - Step 5: Solve for x
x = 844,960,784,167,592.12/28,807,787.84 - Step 6: Final answer
x = 29,330,984.69
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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.