Finding the Fourth Proportional to 15,261,346.07, 21,060,652.73 and 8,386,271.00
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Solution
The fourth proportional to 15,261,346.07, 21,060,652.73 and 8,386,271.00 is: 11,573,051.31
Step by Step Solution
- Step 1: Write the proportion equation
15,261,346.07 : 21,060,652.73 = 8,386,271.00 : x - Step 2: Convert to fraction form
15,261,346.07/21,060,652.73 = 8,386,271.00/x - Step 3: Cross multiply
15,261,346.07x = 21,060,652.73 × 8,386,271.00 - Step 4: Simplify right side
15,261,346.07x = 176,620,341,083,435.22 - Step 5: Solve for x
x = 176,620,341,083,435.22/15,261,346.07 - Step 6: Final answer
x = 11,573,051.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.