Finding the Fourth Proportional to 10,698,621.66, 14,764,097.76 and 6,115,041.48
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Solution
The fourth proportional to 10,698,621.66, 14,764,097.76 and 6,115,041.48 is: 8,438,757.17
Step by Step Solution
- Step 1: Write the proportion equation
10,698,621.66 : 14,764,097.76 = 6,115,041.48 : x - Step 2: Convert to fraction form
10,698,621.66/14,764,097.76 = 6,115,041.48/x - Step 3: Cross multiply
10,698,621.66x = 14,764,097.76 × 6,115,041.48 - Step 4: Simplify right side
10,698,621.66x = 90,283,070,217,175.09 - Step 5: Solve for x
x = 90,283,070,217,175.09/10,698,621.66 - Step 6: Final answer
x = 8,438,757.17
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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.