Finding the Fourth Proportional to 10,216,278.63, 15,323,974.74 and 2,539,762.83
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Solution
The fourth proportional to 10,216,278.63, 15,323,974.74 and 2,539,762.83 is: 3,809,534.06
Step by Step Solution
- Step 1: Write the proportion equation
10,216,278.63 : 15,323,974.74 = 2,539,762.83 : x - Step 2: Convert to fraction form
10,216,278.63/15,323,974.74 = 2,539,762.83/x - Step 3: Cross multiply
10,216,278.63x = 15,323,974.74 × 2,539,762.83 - Step 4: Simplify right side
10,216,278.63x = 38,919,261,452,510.91 - Step 5: Solve for x
x = 38,919,261,452,510.91/10,216,278.63 - Step 6: Final answer
x = 3,809,534.06
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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.