Finding the Fourth Proportional to 10,366,248.99, 15,549,380.42 and 4,299,351.78
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Solution
The fourth proportional to 10,366,248.99, 15,549,380.42 and 4,299,351.78 is: 6,449,030.55
Step by Step Solution
- Step 1: Write the proportion equation
10,366,248.99 : 15,549,380.42 = 4,299,351.78 : x - Step 2: Convert to fraction form
10,366,248.99/15,549,380.42 = 4,299,351.78/x - Step 3: Cross multiply
10,366,248.99x = 15,549,380.42 × 4,299,351.78 - Step 4: Simplify right side
10,366,248.99x = 66,852,256,386,624.15 - Step 5: Solve for x
x = 66,852,256,386,624.15/10,366,248.99 - Step 6: Final answer
x = 6,449,030.55
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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.