Finding the Fourth Proportional to 12,053,695.47, 16,624,475.07 and 7,927,962.09
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Solution
The fourth proportional to 12,053,695.47, 16,624,475.07 and 7,927,962.09 is: 10,934,257.34
Step by Step Solution
- Step 1: Write the proportion equation
12,053,695.47 : 16,624,475.07 = 7,927,962.09 : x - Step 2: Convert to fraction form
12,053,695.47/16,624,475.07 = 7,927,962.09/x - Step 3: Cross multiply
12,053,695.47x = 16,624,475.07 × 7,927,962.09 - Step 4: Simplify right side
12,053,695.47x = 131,798,208,121,110.09 - Step 5: Solve for x
x = 131,798,208,121,110.09/12,053,695.47 - Step 6: Final answer
x = 10,934,257.34
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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.