Finding the Fourth Proportional to 11,864,988.57, 16,374,319.96 and 6,637,684.90
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Solution
The fourth proportional to 11,864,988.57, 16,374,319.96 and 6,637,684.90 is: 9,160,360.81
Step by Step Solution
- Step 1: Write the proportion equation
11,864,988.57 : 16,374,319.96 = 6,637,684.90 : x - Step 2: Convert to fraction form
11,864,988.57/16,374,319.96 = 6,637,684.90/x - Step 3: Cross multiply
11,864,988.57x = 16,374,319.96 × 6,637,684.90 - Step 4: Simplify right side
11,864,988.57x = 108,687,576,304,648.41 - Step 5: Solve for x
x = 108,687,576,304,648.41/11,864,988.57 - Step 6: Final answer
x = 9,160,360.81
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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.