Finding the Fourth Proportional to 7,316,319.18, 10,097,140.46 and 4,054,157.18
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Solution
The fourth proportional to 7,316,319.18, 10,097,140.46 and 4,054,157.18 is: 5,595,080.45
Step by Step Solution
- Step 1: Write the proportion equation
7,316,319.18 : 10,097,140.46 = 4,054,157.18 : x - Step 2: Convert to fraction form
7,316,319.18/10,097,140.46 = 4,054,157.18/x - Step 3: Cross multiply
7,316,319.18x = 10,097,140.46 × 4,054,157.18 - Step 4: Simplify right side
7,316,319.18x = 40,935,394,422,621.02 - Step 5: Solve for x
x = 40,935,394,422,621.02/7,316,319.18 - Step 6: Final answer
x = 5,595,080.45
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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.