Finding the Fourth Proportional to 19,852,072.40, 29,765,363.86 and 7,708,596.35
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Solution
The fourth proportional to 19,852,072.40, 29,765,363.86 and 7,708,596.35 is: 11,557,945.71
Step by Step Solution
- Step 1: Write the proportion equation
19,852,072.40 : 29,765,363.86 = 7,708,596.35 : x - Step 2: Convert to fraction form
19,852,072.40/29,765,363.86 = 7,708,596.35/x - Step 3: Cross multiply
19,852,072.40x = 29,765,363.86 × 7,708,596.35 - Step 4: Simplify right side
19,852,072.40x = 229,449,175,115,269.31 - Step 5: Solve for x
x = 229,449,175,115,269.31/19,852,072.40 - Step 6: Final answer
x = 11,557,945.71
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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.