Finding the Fourth Proportional to 10,539,449.76, 14,552,683.91 and 8,088,178.15
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Solution
The fourth proportional to 10,539,449.76, 14,552,683.91 and 8,088,178.15 is: 11,168,011.87
Step by Step Solution
- Step 1: Write the proportion equation
10,539,449.76 : 14,552,683.91 = 8,088,178.15 : x - Step 2: Convert to fraction form
10,539,449.76/14,552,683.91 = 8,088,178.15/x - Step 3: Cross multiply
10,539,449.76x = 14,552,683.91 × 8,088,178.15 - Step 4: Simplify right side
10,539,449.76x = 117,704,700,078,295.20 - Step 5: Solve for x
x = 117,704,700,078,295.20/10,539,449.76 - Step 6: Final answer
x = 11,168,011.87
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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.