Finding the Fourth Proportional to 7,897,681.92, 11,847,039.54 and 2,432,106.48
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Solution
The fourth proportional to 7,897,681.92, 11,847,039.54 and 2,432,106.48 is: 3,648,318.83
Step by Step Solution
- Step 1: Write the proportion equation
7,897,681.92 : 11,847,039.54 = 2,432,106.48 : x - Step 2: Convert to fraction form
7,897,681.92/11,847,039.54 = 2,432,106.48/x - Step 3: Cross multiply
7,897,681.92x = 11,847,039.54 × 2,432,106.48 - Step 4: Simplify right side
7,897,681.92x = 28,813,261,634,050.22 - Step 5: Solve for x
x = 28,813,261,634,050.22/7,897,681.92 - Step 6: Final answer
x = 3,648,318.83
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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.