Finding the Fourth Proportional to 10,856,503.72, 14,980,914.68 and 6,272,726.68
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Solution
The fourth proportional to 10,856,503.72, 14,980,914.68 and 6,272,726.68 is: 8,655,750.10
Step by Step Solution
- Step 1: Write the proportion equation
10,856,503.72 : 14,980,914.68 = 6,272,726.68 : x - Step 2: Convert to fraction form
10,856,503.72/14,980,914.68 = 6,272,726.68/x - Step 3: Cross multiply
10,856,503.72x = 14,980,914.68 × 6,272,726.68 - Step 4: Simplify right side
10,856,503.72x = 93,971,183,204,039.66 - Step 5: Solve for x
x = 93,971,183,204,039.66/10,856,503.72 - Step 6: Final answer
x = 8,655,750.10
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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.