Finding the Fourth Proportional to 14,470,700.01, 19,969,799.99 and 7,944,931.05
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Solution
The fourth proportional to 14,470,700.01, 19,969,799.99 and 7,944,931.05 is: 10,964,133.31
Step by Step Solution
- Step 1: Write the proportion equation
14,470,700.01 : 19,969,799.99 = 7,944,931.05 : x - Step 2: Convert to fraction form
14,470,700.01/19,969,799.99 = 7,944,931.05/x - Step 3: Cross multiply
14,470,700.01x = 19,969,799.99 × 7,944,931.05 - Step 4: Simplify right side
14,470,700.01x = 158,658,683,963,116.03 - Step 5: Solve for x
x = 158,658,683,963,116.03/14,470,700.01 - Step 6: Final answer
x = 10,964,133.31
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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.