Finding the Fourth Proportional to 8,711,726.41, 12,021,688.64 and 4,844,164.53
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Solution
The fourth proportional to 8,711,726.41, 12,021,688.64 and 4,844,164.53 is: 6,684,672.48
Step by Step Solution
- Step 1: Write the proportion equation
8,711,726.41 : 12,021,688.64 = 4,844,164.53 : x - Step 2: Convert to fraction form
8,711,726.41/12,021,688.64 = 4,844,164.53/x - Step 3: Cross multiply
8,711,726.41x = 12,021,688.64 × 4,844,164.53 - Step 4: Simplify right side
8,711,726.41x = 58,235,037,757,783.69 - Step 5: Solve for x
x = 58,235,037,757,783.69/8,711,726.41 - Step 6: Final answer
x = 6,684,672.48
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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.