Finding the Fourth Proportional to 10,772,655.28, 14,866,992.76 and 6,190,803.12
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Solution
The fourth proportional to 10,772,655.28, 14,866,992.76 and 6,190,803.12 is: 8,543,726.94
Step by Step Solution
- Step 1: Write the proportion equation
10,772,655.28 : 14,866,992.76 = 6,190,803.12 : x - Step 2: Convert to fraction form
10,772,655.28/14,866,992.76 = 6,190,803.12/x - Step 3: Cross multiply
10,772,655.28x = 14,866,992.76 × 6,190,803.12 - Step 4: Simplify right side
10,772,655.28x = 92,038,625,163,625.41 - Step 5: Solve for x
x = 92,038,625,163,625.41/10,772,655.28 - Step 6: Final answer
x = 8,543,726.94
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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.