Finding the Fourth Proportional to 10,427,540.24, 14,387,303.76 and 6,294,304.64
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Solution
The fourth proportional to 10,427,540.24, 14,387,303.76 and 6,294,304.64 is: 8,684,509.55
Step by Step Solution
- Step 1: Write the proportion equation
10,427,540.24 : 14,387,303.76 = 6,294,304.64 : x - Step 2: Convert to fraction form
10,427,540.24/14,387,303.76 = 6,294,304.64/x - Step 3: Cross multiply
10,427,540.24x = 14,387,303.76 × 6,294,304.64 - Step 4: Simplify right side
10,427,540.24x = 90,558,072,813,657.44 - Step 5: Solve for x
x = 90,558,072,813,657.44/10,427,540.24 - Step 6: Final answer
x = 8,684,509.55
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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.