Finding the Fourth Proportional to 10,120,566.70, 13,966,539.51 and 5,536,964.62
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Solution
The fourth proportional to 10,120,566.70, 13,966,539.51 and 5,536,964.62 is: 7,641,097.32
Step by Step Solution
- Step 1: Write the proportion equation
10,120,566.70 : 13,966,539.51 = 5,536,964.62 : x - Step 2: Convert to fraction form
10,120,566.70/13,966,539.51 = 5,536,964.62/x - Step 3: Cross multiply
10,120,566.70x = 13,966,539.51 × 5,536,964.62 - Step 4: Simplify right side
10,120,566.70x = 77,332,235,130,702.14 - Step 5: Solve for x
x = 77,332,235,130,702.14/10,120,566.70 - Step 6: Final answer
x = 7,641,097.32
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1.5x scale
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.