Finding the Fourth Proportional to 10,281,726.78, 14,190,305.81 and 6,510,139.45
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Solution
The fourth proportional to 10,281,726.78, 14,190,305.81 and 6,510,139.45 is: 8,984,956.68
Step by Step Solution
- Step 1: Write the proportion equation
10,281,726.78 : 14,190,305.81 = 6,510,139.45 : x - Step 2: Convert to fraction form
10,281,726.78/14,190,305.81 = 6,510,139.45/x - Step 3: Cross multiply
10,281,726.78x = 14,190,305.81 × 6,510,139.45 - Step 4: Simplify right side
10,281,726.78x = 92,380,869,661,245.20 - Step 5: Solve for x
x = 92,380,869,661,245.20/10,281,726.78 - Step 6: Final answer
x = 8,984,956.68
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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.