Finding the Fourth Proportional to 34,318,848.44, 47,348,488.02 and 19,432,141.80
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Solution
The fourth proportional to 34,318,848.44, 47,348,488.02 and 19,432,141.80 is: 26,809,831.19
Step by Step Solution
- Step 1: Write the proportion equation
34,318,848.44 : 47,348,488.02 = 19,432,141.80 : x - Step 2: Convert to fraction form
34,318,848.44/47,348,488.02 = 19,432,141.80/x - Step 3: Cross multiply
34,318,848.44x = 47,348,488.02 × 19,432,141.80 - Step 4: Simplify right side
34,318,848.44x = 920,082,533,220,241.38 - Step 5: Solve for x
x = 920,082,533,220,241.38/34,318,848.44 - Step 6: Final answer
x = 26,809,831.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.