Finding the Fourth Proportional to 11,687,562.40, 16,128,526.44 and 6,530,966.32
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Solution
The fourth proportional to 11,687,562.40, 16,128,526.44 and 6,530,966.32 is: 9,012,560.48
Step by Step Solution
- Step 1: Write the proportion equation
11,687,562.40 : 16,128,526.44 = 6,530,966.32 : x - Step 2: Convert to fraction form
11,687,562.40/16,128,526.44 = 6,530,966.32/x - Step 3: Cross multiply
11,687,562.40x = 16,128,526.44 × 6,530,966.32 - Step 4: Simplify right side
11,687,562.40x = 105,334,862,970,869.50 - Step 5: Solve for x
x = 105,334,862,970,869.50/11,687,562.40 - Step 6: Final answer
x = 9,012,560.48
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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.