Finding the Fourth Proportional to 9,778,512.60, 14,667,768.90 and 6,164,713.80
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Solution
The fourth proportional to 9,778,512.60, 14,667,768.90 and 6,164,713.80 is: 9,247,070.70
Step by Step Solution
- Step 1: Write the proportion equation
9,778,512.60 : 14,667,768.90 = 6,164,713.80 : x - Step 2: Convert to fraction form
9,778,512.60/14,667,768.90 = 6,164,713.80/x - Step 3: Cross multiply
9,778,512.60x = 14,667,768.90 × 6,164,713.80 - Step 4: Simplify right side
9,778,512.60x = 90,422,597,353,040.81 - Step 5: Solve for x
x = 90,422,597,353,040.81/9,778,512.60 - Step 6: Final answer
x = 9,247,070.70
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1.5x scale
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.