Finding the Fourth Proportional to 11,262,642,211.97, 15,542,461,643.61 and 6,112,689,762.70
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Solution
The fourth proportional to 11,262,642,211.97, 15,542,461,643.61 and 6,112,689,762.70 is: 8,435,520,225.89
Step by Step Solution
- Step 1: Write the proportion equation
11,262,642,211.97 : 15,542,461,643.61 = 6,112,689,762.70 : x - Step 2: Convert to fraction form
11,262,642,211.97/15,542,461,643.61 = 6,112,689,762.70/x - Step 3: Cross multiply
11,262,642,211.97x = 15,542,461,643.61 × 6,112,689,762.70 - Step 4: Simplify right side
11,262,642,211.97x = 95,006,246,176,052,264,960 - Step 5: Solve for x
x = 95,006,246,176,052,264,960/11,262,642,211.97 - Step 6: Final answer
x = 8,435,520,225.89
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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.