Finding the Fourth Proportional to 10,478,683.48, 14,454,454.09 and 6,810,043.49
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Solution
The fourth proportional to 10,478,683.48, 14,454,454.09 and 6,810,043.49 is: 9,393,876.74
Step by Step Solution
- Step 1: Write the proportion equation
10,478,683.48 : 14,454,454.09 = 6,810,043.49 : x - Step 2: Convert to fraction form
10,478,683.48/14,454,454.09 = 6,810,043.49/x - Step 3: Cross multiply
10,478,683.48x = 14,454,454.09 × 6,810,043.49 - Step 4: Simplify right side
10,478,683.48x = 98,435,460,996,219.41 - Step 5: Solve for x
x = 98,435,460,996,219.41/10,478,683.48 - Step 6: Final answer
x = 9,393,876.74
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1.5x scale
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.