Finding the Fourth Proportional to 19,421,644, 29,133,865.76 and 7,454,380
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Solution
The fourth proportional to 19,421,644, 29,133,865.76 and 7,454,380 is: 11,182,107.25
Step by Step Solution
- Step 1: Write the proportion equation
19,421,644 : 29,133,865.76 = 7,454,380 : x - Step 2: Convert to fraction form
19,421,644/29,133,865.76 = 7,454,380/x - Step 3: Cross multiply
19,421,644x = 29,133,865.76 × 7,454,380 - Step 4: Simplify right side
19,421,644x = 217,174,906,244,028.81 - Step 5: Solve for x
x = 217,174,906,244,028.81/19,421,644 - Step 6: Final answer
x = 11,182,107.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.