Finding the Fourth Proportional to 10,118,101.07, 13,963,783.83 and 6,448,664.99
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Solution
The fourth proportional to 10,118,101.07, 13,963,783.83 and 6,448,664.99 is: 8,899,670.33
Step by Step Solution
- Step 1: Write the proportion equation
10,118,101.07 : 13,963,783.83 = 6,448,664.99 : x - Step 2: Convert to fraction form
10,118,101.07/13,963,783.83 = 6,448,664.99/x - Step 3: Cross multiply
10,118,101.07x = 13,963,783.83 × 6,448,664.99 - Step 4: Simplify right side
10,118,101.07x = 90,047,763,842,630.20 - Step 5: Solve for x
x = 90,047,763,842,630.20/10,118,101.07 - Step 6: Final answer
x = 8,899,670.33
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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.