Finding the Fourth Proportional to 38,113,974.06, 52,597,599.48 and 20,710,319.28
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Solution
The fourth proportional to 38,113,974.06, 52,597,599.48 and 20,710,319.28 is: 28,580,411.92
Step by Step Solution
- Step 1: Write the proportion equation
38,113,974.06 : 52,597,599.48 = 20,710,319.28 : x - Step 2: Convert to fraction form
38,113,974.06/52,597,599.48 = 20,710,319.28/x - Step 3: Cross multiply
38,113,974.06x = 52,597,599.48 × 20,710,319.28 - Step 4: Simplify right side
38,113,974.06x = 1,089,313,078,592,362 - Step 5: Solve for x
x = 1,089,313,078,592,362/38,113,974.06 - Step 6: Final answer
x = 28,580,411.92
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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.