Finding the Fourth Proportional to 19,584,124.80, 29,376,187.20 and 14,545,276.80
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Solution
The fourth proportional to 19,584,124.80, 29,376,187.20 and 14,545,276.80 is: 21,817,915.20
Step by Step Solution
- Step 1: Write the proportion equation
19,584,124.80 : 29,376,187.20 = 14,545,276.80 : x - Step 2: Convert to fraction form
19,584,124.80/29,376,187.20 = 14,545,276.80/x - Step 3: Cross multiply
19,584,124.80x = 29,376,187.20 × 14,545,276.80 - Step 4: Simplify right side
19,584,124.80x = 427,284,774,152,617 - Step 5: Solve for x
x = 427,284,774,152,617/19,584,124.80 - Step 6: Final answer
x = 21,817,915.20
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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.