Finding the Fourth Proportional to 10,731,719.40, 16,098,356.70 and 6,462,695.40
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Solution
The fourth proportional to 10,731,719.40, 16,098,356.70 and 6,462,695.40 is: 9,694,511.37
Step by Step Solution
- Step 1: Write the proportion equation
10,731,719.40 : 16,098,356.70 = 6,462,695.40 : x - Step 2: Convert to fraction form
10,731,719.40/16,098,356.70 = 6,462,695.40/x - Step 3: Cross multiply
10,731,719.40x = 16,098,356.70 × 6,462,695.40 - Step 4: Simplify right side
10,731,719.40x = 104,038,775,792,649.19 - Step 5: Solve for x
x = 104,038,775,792,649.19/10,731,719.40 - Step 6: Final answer
x = 9,694,511.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.