Finding the Fourth Proportional to 10,772,665.28, 14,867,006.56 and 6,190,813.12
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Solution
The fourth proportional to 10,772,665.28, 14,867,006.56 and 6,190,813.12 is: 8,543,740.74
Step by Step Solution
- Step 1: Write the proportion equation
10,772,665.28 : 14,867,006.56 = 6,190,813.12 : x - Step 2: Convert to fraction form
10,772,665.28/14,867,006.56 = 6,190,813.12/x - Step 3: Cross multiply
10,772,665.28x = 14,867,006.56 × 6,190,813.12 - Step 4: Simplify right side
10,772,665.28x = 92,038,859,266,774.08 - Step 5: Solve for x
x = 92,038,859,266,774.08/10,772,665.28 - Step 6: Final answer
x = 8,543,740.74
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1.5x scale
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.