Finding the Fourth Proportional to 10,366,572.18, 15,549,858.27 and 7,138,068.10
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Solution
The fourth proportional to 10,366,572.18, 15,549,858.27 and 7,138,068.10 is: 10,707,102.15
Step by Step Solution
- Step 1: Write the proportion equation
10,366,572.18 : 15,549,858.27 = 7,138,068.10 : x - Step 2: Convert to fraction form
10,366,572.18/15,549,858.27 = 7,138,068.10/x - Step 3: Cross multiply
10,366,572.18x = 15,549,858.27 × 7,138,068.10 - Step 4: Simplify right side
10,366,572.18x = 110,995,947,276,608.17 - Step 5: Solve for x
x = 110,995,947,276,608.17/10,366,572.18 - Step 6: Final answer
x = 10,707,102.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.