Finding the Fourth Proportional to 19,925,438.97, 29,897,606.31 and 11,854,359.21
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Solution
The fourth proportional to 19,925,438.97, 29,897,606.31 and 11,854,359.21 is: 17,787,159.68
Step by Step Solution
- Step 1: Write the proportion equation
19,925,438.97 : 29,897,606.31 = 11,854,359.21 : x - Step 2: Convert to fraction form
19,925,438.97/29,897,606.31 = 11,854,359.21/x - Step 3: Cross multiply
19,925,438.97x = 29,897,606.31 × 11,854,359.21 - Step 4: Simplify right side
19,925,438.97x = 354,416,964,717,902.62 - Step 5: Solve for x
x = 354,416,964,717,902.62/19,925,438.97 - Step 6: Final answer
x = 17,787,159.68
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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.