Finding the Fourth Proportional to 34,584,612.18, 47,729,235.88 and 19,114,364.68
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Solution
The fourth proportional to 34,584,612.18, 47,729,235.88 and 19,114,364.68 is: 26,379,188.98
Step by Step Solution
- Step 1: Write the proportion equation
34,584,612.18 : 47,729,235.88 = 19,114,364.68 : x - Step 2: Convert to fraction form
34,584,612.18/47,729,235.88 = 19,114,364.68/x - Step 3: Cross multiply
34,584,612.18x = 47,729,235.88 × 19,114,364.68 - Step 4: Simplify right side
34,584,612.18x = 912,314,020,508,060.75 - Step 5: Solve for x
x = 912,314,020,508,060.75/34,584,612.18 - Step 6: Final answer
x = 26,379,188.98
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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.