Finding the Fourth Proportional to 10,665,999.51, 14,713,656.70 and 6,478,570.08
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Solution
The fourth proportional to 10,665,999.51, 14,713,656.70 and 6,478,570.08 is: 8,937,132.99
Step by Step Solution
- Step 1: Write the proportion equation
10,665,999.51 : 14,713,656.70 = 6,478,570.08 : x - Step 2: Convert to fraction form
10,665,999.51/14,713,656.70 = 6,478,570.08/x - Step 3: Cross multiply
10,665,999.51x = 14,713,656.70 × 6,478,570.08 - Step 4: Simplify right side
10,665,999.51x = 95,323,456,059,962.44 - Step 5: Solve for x
x = 95,323,456,059,962.44/10,665,999.51 - Step 6: Final answer
x = 8,937,132.99
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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.